Remove unnecessary enabled job from "Manage PRs" workflow

This job was an artifact from an earlier version of the workflow, and was no longer necessary. It only added additional
code.

.github/workflows/manage-prs.yml

@@ -20,7 +20,7 @@ on:
       - edited
 
 jobs:
-  enabled:
+  diff:
     if: >
       github.event_name == 'pull_request_target' ||
       (
@@ -30,7 +30,19 @@ jobs:
         contains(github.event.comment.body, 'ArduinoBot')
       )
     runs-on: ubuntu-latest
+    outputs:
+      artifact: ${{ steps.configuration.outputs.artifact }}
+      path: ${{ steps.configuration.outputs.path }}
+      filename: ${{ steps.configuration.outputs.filename }}
+
     steps:
+      - name: Set configuration outputs
+        id: configuration
+        run: |
+          echo "::set-output name=artifact::diff"
+          echo "::set-output name=path::${{ runner.temp }}"
+          echo "::set-output name=filename::diff.txt"
+
       - name: Comment on comment trigger to provide feedback
         if: github.event_name == 'issue_comment'
         uses: octokit/request-action@v2.x
@@ -48,24 +60,6 @@ jobs:
             You can see the progress here:
             https://github.com/${{ github.repository_owner }}/${{ github.event.repository.name }}/actions/workflows/manage-prs.yml
 
-  diff:
-    needs:
-      - enabled
-    runs-on: ubuntu-latest
-
-    outputs:
-      artifact: ${{ steps.configuration.outputs.artifact }}
-      path: ${{ steps.configuration.outputs.path }}
-      filename: ${{ steps.configuration.outputs.filename }}
-
-    steps:
-      - name: Set configuration outputs
-        id: configuration
-        run: |
-          echo "::set-output name=artifact::diff"
-          echo "::set-output name=path::${{ runner.temp }}"
-          echo "::set-output name=filename::diff.txt"
-
       - name: Get PR diff
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
@@ -87,7 +81,6 @@ jobs:
 
   parse:
     needs:
-      - enabled
       - diff
     runs-on: ubuntu-latest
 
@@ -133,7 +126,6 @@ jobs:
 
   label:
     needs:
-      - enabled
       - parse
     runs-on: ubuntu-latest
 
@@ -153,7 +145,6 @@ jobs:
   check-submissions:
     name: Check ${{ matrix.submission.submissionURL }}
     needs:
-      - enabled
       - parse
     if: needs.parse.outputs.type == 'submission'
     runs-on: ubuntu-latest
@@ -264,7 +255,6 @@ jobs:
 
   check-submissions-fail:
     needs:
-      - enabled
       - check-submissions
     if: failure() # This job will only run if the submission checks failed
     runs-on: ubuntu-latest
@@ -294,7 +284,6 @@ jobs:
 
   merge:
     needs:
-      - enabled
       - parse
       - check-submissions
     if: success() # This job will only run if the submission checks passed
@@ -351,7 +340,6 @@ jobs:
 
   request-review:
     needs:
-      - enabled
       - parse
     if: needs.parse.outputs.type != 'submission' # These request types can't be automatically approved.
     runs-on: ubuntu-latest