Revert "[ci] improve ci workflow"

This reverts workflow because of a syntax error in the ci workflow.

Signed-off-by: Shankar Easwaran <[email protected]>

Author: quic-seaswara

.github/workflows/ci.yml

@@ -1,25 +1,25 @@
 name: CI
 
+# dont start the job if there are changes only to .md files or docs
 on:
   push:
+    paths-ignore:
+      - '**.md'
+      - 'docs/**'
   pull_request:
-
-concurrency:
-  group: ${{ github.workflow }}-${{ github.event.pull_request.number }}
-  cancel-in-progress: true
+    paths-ignore:
+      - '**.md'
+      - 'docs/**'
 
 jobs:
   build:
     runs-on: self-hosted
+    concurrency:
+      group: ${{ github.workflow }}-${{ github.event.pull_request.number }}
+      cancel-in-progress: true
     permissions:
       contents: write
       statuses: write
-    if: github.event_name == 'push' || github.event_name == 'pull_request'
-    paths:
-      - '**'
-    paths-ignore:
-      - '**.md'
-      - 'docs/**'
 
     steps:
     - name: Set PR number and branch names