BLOCK-2590 - Don't use self-hosted runner

.github/workflows/pr.yml

@@ -11,47 +11,16 @@ concurrency:
   cancel-in-progress: true
 
 jobs:
-  start-runner:
-    name: Start Runner
-    runs-on: ubuntu-latest
-    steps:
-      - name: Get Token
-        id: application_token
-        uses: peter-murray/workflow-application-token-action@v2
-        with:
-          application_id: ${{ secrets.APPLICATION_ID }}
-          application_private_key: ${{ secrets.APPLICATION_PRIVATE_KEY }}
-
-      - name: Trigger start-runner job
-        uses: convictional/[email protected]
-        with:
-          owner: ultraio
-          repo: blockchain-manager
-          github_token: ${{ steps.application_token.outputs.token }}
-          workflow_file_name: start-runner.yml
-  job-cleanup:
-    needs: start-runner
-    name: "Cleanup"
-    timeout-minutes: 5
-    runs-on: "self-hosted"
-    steps:
-      - name: "Cleanup Previous Run"
-        run: |
-          sudo rm -rf ./* || true
-          sudo rm -rf ./.??* || true
-          sudo rm -rf $GITHUB_WORKSPACE || true
-          mkdir $GITHUB_WORKSPACE
   build-contracts:
-    needs: [start-runner, job-cleanup]
-    name: "Build contracts"
+    name: "Build contracts and run tests"
     timeout-minutes: 10
-    runs-on: "self-hosted"
+    runs-on: ubuntu-latest
     container:
       # This repository can be found / pushed to in: ultraio/eosio-docker-starter
       image: quay.io/ultra.io/eosio-docker-starter:5.0.0
       options: >-
         --init
-        --cpus 8
+        --cpus 2
     permissions:
       contents: 'read'
       id-token: 'write'
@@ -65,7 +34,6 @@ jobs:
 
       - name: "Set env vars"
         run: |
-          echo "JOBS=8" >> $GITHUB_ENV
           echo "ULTRA_PATH=/__w/eos-evm-contract/eos-evm-contract/ultra/" >> $GITHUB_ENV
 
       # Update dependencies