tools: remove unused actions from build-tarball.yml

PR-URL: #59787
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Marco Ippolito <marcoippolito54@gmail.com>

Author: aduh95

.github/workflows/build-tarball.yml

@@ -31,9 +31,6 @@ env:
   PYTHON_VERSION: '3.12'
   FLAKY_TESTS: keep_retrying
   CLANG_VERSION: '19'
-  CC: sccache clang-19
-  CXX: sccache clang++-19
-  SCCACHE_GHA_ENABLED: 'true'
 
 permissions:
   contents: read
@@ -46,18 +43,10 @@ jobs:
       - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8  # v5.0.0
         with:
           persist-credentials: false
-      - name: Install Clang ${{ env.CLANG_VERSION }}
-        uses: ./.github/actions/install-clang
-        with:
-          clang-version: ${{ env.CLANG_VERSION }}
       - name: Set up Python ${{ env.PYTHON_VERSION }}
         uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065  # v5.6.0
         with:
           python-version: ${{ env.PYTHON_VERSION }}
-      - name: Set up sccache
-        uses: Mozilla-Actions/sccache-action@7d986dd989559c6ecdb630a3fd2557667be217ad  # v0.0.9
-        with:
-          version: v0.10.0
       - name: Environment Information
         run: npx envinfo
       - name: Make tarball
@@ -77,6 +66,10 @@ jobs:
   test-tarball-linux:
     needs: build-tarball
     runs-on: ubuntu-24.04
+    env:
+      CC: sccache clang-19
+      CXX: sccache clang++-19
+      SCCACHE_GHA_ENABLED: 'true'
     steps:
       - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8  # v5.0.0
         with: