Revert "Build only spec files that were changed in the push"

This reverts commit 7cbd8b6f3d.

.forgejo/workflows/build-rpms.yml

@@ -7,32 +7,15 @@ on:
   workflow_dispatch:
 
 jobs:
-  changed:
-    runs-on: almalinux-10
-    outputs:
-      matrix: ${{ steps.set.outputs.matrix }}
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v4
-        with:
-          fetch-depth: 0
-
-      - name: Determine changed specs
-        id: set
-        run: |
-          if [ "${{ github.event_name }}" = "workflow_dispatch" ]; then
-            python3 -c "import json; print(json.dumps({'spec': ['sonic-interface-libraries.spec','sonic-win.spec','sonic-workspace.spec']}))"
-          else
-            CHANGED=$(git diff --name-only ${{ github.event.before }} ${{ github.sha }} | grep '\.spec$' || true)
-            python3 -c "import json, sys; print(json.dumps({'spec': sys.argv[1].split()}))" "$CHANGED"
-          fi >> "$GITHUB_OUTPUT"
-
   build:
-    needs: changed
     runs-on: almalinux-10
     strategy:
       fail-fast: false
-      matrix: ${{ fromJSON(needs.changed.outputs.matrix) }}
+      matrix:
+        spec:
+          - sonic-interface-libraries.spec
+          - sonic-win.spec
+          - sonic-workspace.spec
 
     steps:
       - name: Checkout