Revert "dbg: add "wich nu""

This reverts commit f5fad687.

.github/workflows/ci.yml

@@ -39,7 +39,6 @@ jobs:
         run: |
           echo $PATH
           ls -la $(make print-NU_DEST)
-          echo "nu: $(which nu)"
           make NU="$(make print-NU_DEST)/nu" show
       - name: Run tests
         run: |

.gitlab-ci.yml

@@ -34,5 +34,4 @@ test:
   script:
     - echo $PATH
     - ls -la $(make print-NU_DEST)
-    - echo "nu: $(which nu)"
     - make check clippy test example