Remove additional testing step that becomes useless

.github/workflows/haskell.yml

@@ -129,19 +129,14 @@ jobs:
     - name: Build all
       run: cabal build all --enable-tests
 
-    # This step is temporary. We'll soon remove it and check instead
-    # that golden files have not been modified when creating them below.
-    - name: Test all
-      run: cabal test all --enable-tests --test-show-details=direct -j1
-
     - # Delete golden files and regenerate them in the next step to ensure
       # files that tests designate as golden files are actually golden files
       # and can be generated.
       name: Delete golden files
       run: |
         rm -rf cardano-cli/test/cardano-cli-golden/files/golden
 
-    - name: Run tests regenerate golden files
+    - name: Run tests, generating golden files on the fly
       env:
         TMPDIR: ${{ runner.temp }}
         TMP: ${{ runner.temp }}