ci: remove example as the build can act as example

.github/workflows/build.yml

@@ -62,7 +62,7 @@ jobs:
       - name: Renovate test
         uses: ./
         with:
-          configurationFile: .github/config.js
+          configurationFile: example/renovate-config.js
           token: ${{ secrets.RENOVATE_TOKEN }}
 
   build:

.github/workflows/example.yml

@@ -1,17 +0,0 @@
-name: Example
-on:
-  push:
-    branches:
-      - master
-  pull_request:
-jobs:
-  example:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v2.1.0
-      - name: Renovate example
-        uses: ./
-        with:
-          configurationFile: example/config.js
-          token: ${{ secrets.RENOVATE_TOKEN }}