Remove greet-everyone workflow, we've gotten things working now

.github/workflows/greet-everyone.yml

@@ -1,21 +0,0 @@
-name: Greet Everyone
-# This workflow is triggered on pushes to the repository.
-on: [push]
-
-jobs:
-  build:
-    # Job name is Greeting
-    name: Greeting
-    # This job runs on Linux
-    runs-on: ubuntu-latest
-    steps:
-      # This step uses GitHub's hello-world-javascript-action: https://github.com/actions/hello-world-javascript-action
-      - name: Hello world
-        uses: actions/hello-world-javascript-action@v1
-        with:
-          who-to-greet: 'Mona the Octocat'
-        id: hello
-      # This step prints an output (time) from the previous step's action.
-      - name: Echo the greeting's time
-        run: echo 'The time was ${{ steps.hello.outputs.time }}.'
-