Remove Windows and macOS builds from CI, keep only Linux

.github/workflows/develop.yml

@@ -9,54 +9,7 @@ on:
 
 jobs:
 
-  build-win64:
-    runs-on: windows-latest
-    steps:
-    - uses: actions/checkout@v4
-    - name: Set up Python
-      uses: actions/setup-python@v5
-      with:
-          python-version: '3.13'
-    - name: Upgrade pip and enable wheel support
-      run: python -m pip install --upgrade pip setuptools wheel
-    - name: Install Requirements
-      run: |
-        pip install -r requirements.txt
-        pip install pyinstaller
-      shell: bash
-    - name: Build
-      run: |
-        powershell -File build-win.ps1
-        mv inno-output\gotify-tray-installer.exe gotify-tray-installer-win.exe
-      shell: cmd
-    - name: Upload artifact
-      uses: actions/upload-artifact@v4
-      with:
-        name: gotify-tray-installer-win.exe
-        path: gotify-tray-installer-win.exe
-
-  build-macos:
-    runs-on: macos-12
-    steps:
-    - uses: actions/checkout@v4
-    - name: Set up Python
-      uses: actions/setup-python@v5
-      with:
-          python-version: '3.13'
-    - name: Upgrade pip and enable wheel support
-      run: python -m pip install --upgrade pip setuptools wheel
-    - name: Build
-      run: |
-        make build-macos
-        brew install create-dmg
-        create-dmg --volname "Gotify Tray" --app-drop-link 0 0 --no-internet-enable "gotify-tray.dmg" "./dist/Gotify Tray.app"
-    - name: Upload artifact
-      uses: actions/upload-artifact@v4
-      with:
-        name: gotify-tray.dmg
-        path: gotify-tray.dmg
-
-  build-pip:
+  build-linux:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v4