Revert "chore(github): add issue templates (bug / feature / question)"

This reverts commit 2e69d0a425.

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -1,90 +0,0 @@
-name: Bug report
-description: Something is broken or behaves unexpectedly.
-title: "[Bug]: "
-labels: ["bug"]
-body:
-  - type: markdown
-    attributes:
-      value: |
-        Thanks for taking the time to report a bug. The clearer the
-        reproduction, the faster it gets fixed.
-
-        Before filing, please check the [existing issues](https://github.com/HakanSeven12/OpenCADStudio/issues?q=is%3Aissue)
-        in case it's already reported.
-
-  - type: textarea
-    id: summary
-    attributes:
-      label: Summary
-      description: One or two sentences describing what's wrong.
-      placeholder: e.g. "FILLET command doesn't switch to select mode after picking the first line."
-    validations:
-      required: true
-
-  - type: textarea
-    id: steps
-    attributes:
-      label: Steps to reproduce
-      description: Numbered, minimal steps a stranger can follow.
-      placeholder: |
-        1. Open `attached.dwg`
-        2. Type `FILLET`, press Enter
-        3. Click line A
-        4. Expected: command waits for line B. Actual: command ends.
-    validations:
-      required: true
-
-  - type: textarea
-    id: expected
-    attributes:
-      label: Expected behaviour
-    validations:
-      required: true
-
-  - type: textarea
-    id: actual
-    attributes:
-      label: Actual behaviour
-      description: What happened instead. Include error messages and screenshots / screen recordings if it's visual.
-    validations:
-      required: true
-
-  - type: input
-    id: version
-    attributes:
-      label: Open CAD Studio version
-      description: Visible in About / titlebar. e.g. `0.4.0`
-      placeholder: "0.4.0"
-    validations:
-      required: true
-
-  - type: dropdown
-    id: os
-    attributes:
-      label: Operating system
-      options:
-        - Windows
-        - Linux
-        - macOS
-        - Other (please specify in Additional context)
-    validations:
-      required: true
-
-  - type: textarea
-    id: file
-    attributes:
-      label: Sample drawing
-      description: |
-        If the bug only reproduces with a specific file, attach a minimal
-        DWG/DXF that triggers it. Drag-and-drop into the comment box —
-        GitHub will host the attachment.
-    validations:
-      required: false
-
-  - type: textarea
-    id: context
-    attributes:
-      label: Additional context
-      description: Logs, related issues, anything else that might help.
-    validations:
-      required: false

.github/ISSUE_TEMPLATE/config.yml

@@ -1,5 +0,0 @@
-blank_issues_enabled: false
-contact_links:
-  - name: Support / sponsoring
-    url: https://patreon.com/HakanSeven12
-    about: Help fund development.

.github/ISSUE_TEMPLATE/feature_request.yml

@@ -1,47 +0,0 @@
-name: Feature request
-description: Suggest a new feature, command, or improvement.
-title: "[Feature]: "
-labels: ["enhancement"]
-body:
-  - type: markdown
-    attributes:
-      value: |
-        Thanks for the suggestion. Feature requests are easier to act on
-        when the **problem** is described first and the **proposed
-        solution** second — that way alternative solutions stay on the
-        table.
-
-  - type: textarea
-    id: problem
-    attributes:
-      label: Problem
-      description: What are you trying to do that's currently hard or impossible?
-      placeholder: |
-        e.g. "When working on long polyline edits I have to type coordinates
-        in absolute WCS. AutoCAD's `@dx,dy` relative input would be faster."
-    validations:
-      required: true
-
-  - type: textarea
-    id: proposal
-    attributes:
-      label: Proposed solution
-      description: How would you like it to work? Reference existing CAD conventions if relevant (AutoCAD / BricsCAD / DraftSight syntax).
-    validations:
-      required: true
-
-  - type: textarea
-    id: alternatives
-    attributes:
-      label: Alternatives considered
-      description: Workarounds you've tried, or other designs you weighed.
-    validations:
-      required: false
-
-  - type: textarea
-    id: context
-    attributes:
-      label: Additional context
-      description: Screenshots, mockups, links to related features in other CAD tools.
-    validations:
-      required: false

.github/ISSUE_TEMPLATE/question.yml

@@ -1,38 +0,0 @@
-name: Question
-description: Ask how something works or how to do something in Open CAD Studio.
-title: "[Question]: "
-labels: ["question"]
-body:
-  - type: markdown
-    attributes:
-      value: |
-        For "is this a bug?" or "is this expected?" type questions, use
-        this template. If you already know it's broken, use **Bug report**
-        instead.
-
-        Before asking, please check the [closed issues](https://github.com/HakanSeven12/OpenCADStudio/issues?q=is%3Aissue+is%3Aclosed)
-        in case the question has been answered.
-
-  - type: textarea
-    id: question
-    attributes:
-      label: Question
-      description: What are you trying to figure out?
-    validations:
-      required: true
-
-  - type: textarea
-    id: tried
-    attributes:
-      label: What you've tried
-      description: Commands you ran, settings you toggled, docs you read.
-    validations:
-      required: false
-
-  - type: input
-    id: version
-    attributes:
-      label: Open CAD Studio version
-      placeholder: "0.4.0"
-    validations:
-      required: false