Remove .npmrc from all examples

Instead we configure package-lock through environment. I hope this makes
the examples less confusing.

Author: badeball

.github/workflows/examples-branch.yml

@@ -70,6 +70,8 @@ jobs:
     strategy:
       matrix:
         example: ${{fromJson(needs.find-examples.outputs.matrix)}}
+    env:
+      NPM_CONFIG_PACKAGE_LOCK: "false"
     steps:
       - name: Update certificates
         run: |

.github/workflows/examples-master.yml

@@ -30,6 +30,8 @@ jobs:
     strategy:
       matrix:
         example: ${{fromJson(needs.find-examples.outputs.matrix)}}
+    env:
+      NPM_CONFIG_PACKAGE_LOCK: "false"
     steps:
       - name: Update certificates
         run: |