chore(ci): Simplify Codecov upload gating

Author: seebeen

.github/workflows/tests.yml

@@ -19,8 +19,6 @@ jobs:
     name: PHPUnit (PHP ${{ matrix.php }})
     runs-on: ubuntu-latest
     continue-on-error: ${{ matrix.php == '8.5' }}
-    env:
-      CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
     strategy:
       fail-fast: false
       matrix:
@@ -56,17 +54,13 @@ jobs:
         run: composer test:unit
 
       - name: Upload coverage to Codecov
-        if: ${{ matrix.php == '8.1' && env.CODECOV_TOKEN != '' }}
+        if: matrix.php == '8.1'
         uses: codecov/codecov-action@v5
         with:
           files: build/coverage.xml
           slug: oblakhost/rnids-rsreg-client-php
           token: ${{ secrets.CODECOV_TOKEN }}
 
-      - name: Skip Codecov upload (missing CODECOV_TOKEN)
-        if: ${{ matrix.php == '8.1' && env.CODECOV_TOKEN == '' }}
-        run: echo "Codecov upload skipped because CODECOV_TOKEN is not configured for this workflow context."
-
   integration-live:
     name: Integration (live RNIDS)
     runs-on: ubuntu-latest