Remove Ash CI (#2479)

* Disable Ash CI steps until issues in that repository are fixed

* Completely remove Ash CI

.github/workflows/CI.yml

@@ -1,4 +1,4 @@
-# Copyright 2021-2024 The Khronos Group Inc.
+# Copyright 2021-2025 The Khronos Group Inc.
 # SPDX-License-Identifier: Apache-2.0
 
 # GitHub CI file for vulkan spec and header generation
@@ -135,61 +135,6 @@ jobs:
           name: hpp-outputs
           path: gen/include/
 
-  ash-generate:
-    name: Generate Rust bindings (Ash crate)
-    runs-on: ubuntu-latest
-    needs: spec-generate
-    continue-on-error: true
-    env:
-      # Cached folder outside of git repo
-      CARGO_TARGET_DIR: ${{ github.workspace }}/ash-target
-
-    steps:
-      - uses: actions/checkout@v4
-      - uses: actions/checkout@v4
-        with:
-          repository: ash-rs/ash
-          path: ash
-      - uses: actions/cache@v4
-        with:
-          path: |
-            ~/.cargo/bin/
-            ~/.cargo/registry/index/
-            ~/.cargo/registry/cache/
-            ~/.cargo/git/db/
-            ash-target/
-          key: ${{ runner.os }}-cargo-ash-generator-${{ hashFiles('**/Cargo.toml', '.github/workflows/CI.yml') }}
-          restore-keys: |
-            ${{ runner.os }}-cargo-ash-generator-
-      - name: Download generated spec
-        uses: actions/download-artifact@v4
-        with:
-          name: spec-outputs
-      - name: Unpack generated spec
-        run: tar -xvf spec-outputs.tar
-      - name: Prepare environment
-        working-directory: ash
-        run: |
-          # Piece together minimal Vulkan-Headers - Ash only needs headers and vk.xml
-          rm -rf generator/Vulkan-Headers/* # Should already be empty, just in case
-          ln -s ${{ github.workspace }}/gen/include generator/Vulkan-Headers/ # Complete headers come from spec-generate
-          ln -s ${{ github.workspace }}/xml generator/Vulkan-Headers/registry # vk.xml sits in the root of this spec repo
-
-      - name: Generate Ash crate
-        working-directory: ash
-        run: |
-          cargo run -p generator
-          cargo fmt --all
-
-      - name: Package generated Ash crate
-        # https://github.com/actions/upload-artifact#limitations, see above
-        run: tar -cvf ash-outputs.tar ash/
-      - name: Upload generated ash
-        uses: actions/upload-artifact@v4
-        with:
-          name: ash-outputs
-          path: ash-outputs.tar
-
   # Run the CTS Vulkan framework tests, to make sure XML changes will not
   # cause problems there.
   cts-framework-tests:
@@ -262,31 +207,3 @@ jobs:
       - run: |
           g++ -c -std=c++11 -Igen/include -IVulkan-Hpp -Wall -Wextra -Werror tests/hpptest.cpp
           clang++ -c -std=c++11 -Igen/include -IVulkan-Hpp -Wall -Wextra -Werror tests/hpptest.cpp
-
-  ash-compile:
-    name: Build-test Rust bindings (Ash crate)
-    runs-on: ubuntu-latest
-    needs: ash-generate
-    continue-on-error: true
-
-    steps:
-      - name: Download generated files
-        uses: actions/download-artifact@v4
-        with:
-          name: ash-outputs
-      - name: Unpack generated Ash crate
-        run: tar -xvf ash-outputs.tar
-      - uses: actions/cache@v4
-        with:
-          path: |
-            ~/.cargo/bin/
-            ~/.cargo/registry/index/
-            ~/.cargo/registry/cache/
-            ~/.cargo/git/db/
-            ash/target/
-          key: ${{ runner.os }}-cargo-ash-compile-${{ hashFiles('**/Cargo.toml', '.github/workflows/CI.yml') }}
-          restore-keys: |
-            ${{ runner.os }}-cargo-ash-compile-
-      - name: Build-test ash crate
-        working-directory: ash
-        run: cargo clippy --all --all-targets