chore(CI): no cache for core-build-pch.yml (#17873)

.github/workflows/core-build-pch.yml

@@ -26,14 +26,6 @@ jobs:
     if: github.repository == 'azerothcore/azerothcore-wotlk' && !github.event.pull_request.draft
     steps:
       - uses: actions/checkout@v4
-      - name: Cache
-        uses: actions/cache@v3
-        with:
-          path: var/ccache
-          key: ccache:${{ matrix.os }}:${{ matrix.compiler }}:${{ github.ref }}:${{ github.sha }}
-          restore-keys: |
-            ccache:${{ matrix.os }}:${{ matrix.compiler }}:${{ github.ref }}
-            ccache:${{ matrix.os }}:${{ matrix.compiler }}
       - name: Configure OS
         run: source ./acore.sh install-deps
         env: