remove commented out line (#303)

* remove commented out line

* trigger GitHub actions on pull requests too

Author: bahmutov

.github/workflows/main.yml

@@ -2,15 +2,16 @@
 # https://help.github.com/en/articles/configuring-a-workflow
 name: CI
 
-on: [push]
+# trigger on regular "internal" pushes and on pull requests
+# from external forks
+on: [push, pull_request]
 
 jobs:
   build:
 
     runs-on: ubuntu-latest
 
     steps:
-#     - uses: actions/checkout@v1
     - name: Print default env variables
       run: |
         npm i @bahmutov/print-env