Run Gitea workflows on Ubuntu only

.gitea/workflows/codegen.yml

@@ -6,11 +6,7 @@ on:
 
 jobs:
   deterministic:
-    strategy:
-      fail-fast: false
-      matrix:
-        os: [ubuntu-latest, macos-latest, windows-latest]
-    runs-on: ${{ matrix.os }}
+    runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
       - uses: dtolnay/rust-toolchain@stable

.gitea/workflows/imaging-meshing.yml

@@ -6,11 +6,7 @@ on:
 
 jobs:
   native:
-    strategy:
-      fail-fast: false
-      matrix:
-        os: [ubuntu-latest, macos-latest, windows-latest]
-    runs-on: ${{ matrix.os }}
+    runs-on: ubuntu-latest
     env:
       RUSTDOCFLAGS: -D warnings
     steps:
@@ -44,5 +40,4 @@ jobs:
           cargo clippy -p libremetaverse-imaging -p libremetaverse-imaging-skia -p libremetaverse-prim-mesher --all-targets -- -D warnings
           cargo doc -p libremetaverse-imaging -p libremetaverse-imaging-skia -p libremetaverse-prim-mesher --no-deps
       - name: Verify formatting
-        if: runner.os == 'Linux'
         run: cargo fmt --all -- --check

.gitea/workflows/jpeg2000.yml

@@ -23,31 +23,3 @@ jobs:
         run: |
           cargo test -p libremetaverse-imaging --features jpeg2000
           cargo check -p libremetaverse --features jpeg2000
-
-  macos:
-    runs-on: macos-latest
-    steps:
-      - uses: actions/checkout@v4
-      - uses: dtolnay/rust-toolchain@stable
-      - name: Install OpenJPEG
-        run: brew install openjpeg pkg-config
-      - name: Build and test optional feature
-        run: |
-          cargo test -p libremetaverse-imaging --features jpeg2000
-          cargo check -p libremetaverse --features jpeg2000
-
-  windows:
-    runs-on: windows-latest
-    env:
-      VCPKGRS_DYNAMIC: "1"
-    steps:
-      - uses: actions/checkout@v4
-      - uses: dtolnay/rust-toolchain@stable
-      - name: Install OpenJPEG
-        shell: pwsh
-        run: vcpkg install openjpeg:x64-windows
-      - name: Build and test optional feature
-        shell: pwsh
-        run: |
-          cargo test -p libremetaverse-imaging --features jpeg2000
-          cargo check -p libremetaverse --features jpeg2000

.gitea/workflows/skia.yml

@@ -21,30 +21,3 @@ jobs:
           cargo test -p libremetaverse-imaging-skia --no-default-features
           cargo test -p libremetaverse-imaging-skia --features skia
           cargo package -p libremetaverse-imaging-skia --list
-
-  macos:
-    runs-on: macos-latest
-    env:
-      FORCE_SKIA_BINARIES_DOWNLOAD: "1"
-    steps:
-      - uses: actions/checkout@v4
-      - uses: dtolnay/rust-toolchain@stable
-      - name: Test default and Skia feature builds
-        run: |
-          cargo test -p libremetaverse-imaging-skia --no-default-features
-          cargo test -p libremetaverse-imaging-skia --features skia
-          cargo package -p libremetaverse-imaging-skia --list
-
-  windows:
-    runs-on: windows-latest
-    env:
-      FORCE_SKIA_BINARIES_DOWNLOAD: "1"
-    steps:
-      - uses: actions/checkout@v4
-      - uses: dtolnay/rust-toolchain@stable
-      - name: Test default and Skia feature builds
-        shell: pwsh
-        run: |
-          cargo test -p libremetaverse-imaging-skia --no-default-features
-          cargo test -p libremetaverse-imaging-skia --features skia
-          cargo package -p libremetaverse-imaging-skia --list