Do not install LLVM before building

Author: adazem009

.ci/common/build.sh

@@ -13,11 +13,9 @@ mkdir -p "$BUILD_DIR"
 if [[ "$PLATFORM" == "win64" ]] || [[ "$PLATFORM" == "win32" ]]; then
 	cmake -B "$BUILD_DIR" -G "Ninja" -DCMAKE_BUILD_TYPE=Release -DSCRATCHCPP_PLAYER_BUILD_UNIT_TESTS=OFF || exit 3
 elif [[ "$PLATFORM" == "linux_aarch64" ]]; then
-	LLVM_PATH=`dirname $(which llvm-tblgen)`
-	echo "LLVM bin: $LLVM_PATH"
 	export QEMU_LD_PREFIX="$BUILD_SYSROOT_PATH"
 	echo "QEMU prefix: $QEMU_LD_PREFIX"
-	cmake -B "$BUILD_DIR" -DCMAKE_BUILD_TYPE=Release -DSCRATCHCPP_PLAYER_BUILD_UNIT_TESTS=OFF -DCMAKE_PREFIX_PATH="$QT_ROOT_DIR" -DCMAKE_TOOLCHAIN_FILE="$BUILD_TOOLCHAIN_CONFIG" -DCMAKE_FIND_ROOT_PATH="$QT_ROOT_DIR" -DQT_HOST_PATH="$QT_HOST_PATH" -DQT_HOST_CMAKE_DIR="$QT_HOST_PATH/lib/cmake" -DLLVM_NATIVE_TOOL_DIR="$LLVM_PATH"
+	cmake -B "$BUILD_DIR" -DCMAKE_BUILD_TYPE=Release -DSCRATCHCPP_PLAYER_BUILD_UNIT_TESTS=OFF -DCMAKE_PREFIX_PATH="$QT_ROOT_DIR" -DCMAKE_TOOLCHAIN_FILE="$BUILD_TOOLCHAIN_CONFIG" -DCMAKE_FIND_ROOT_PATH="$QT_ROOT_DIR" -DQT_HOST_PATH="$QT_HOST_PATH" -DQT_HOST_CMAKE_DIR="$QT_HOST_PATH/lib/cmake"
 else
 	cmake -B "$BUILD_DIR" -DCMAKE_BUILD_TYPE=Release -DSCRATCHCPP_PLAYER_BUILD_UNIT_TESTS=OFF || exit 3
 fi

.github/workflows/linux-build.yml

@@ -42,12 +42,6 @@ jobs:
         sed -i -e '/^$/d' .github/config.env
         cat .github/config.env >> "${GITHUB_ENV}"
       shell: bash
-    ## Install LLVM (for host build tools)
-    - if: "!contains(matrix.arch, 'amd64')"
-      name: Setup LLVM
-      uses: ZhongRuoyu/setup-llvm@v0
-      with:
-        llvm-version: 19
     ## Install dependencies
     - if: contains(matrix.arch, 'amd64')
       name: Install dependencies