Remove useless test_report (#2169)

.github/workflows/test_report.yml

@@ -1,16 +0,0 @@
-name: Test Report
-on:
-    workflow_run:
-        workflows: ['\[CI\] Test']
-        types:
-            - completed
-jobs:
-    report:
-        runs-on: ubuntu-latest-8core
-        steps:
-            - uses: dorny/test-reporter@v1.9.0
-              with:
-                  artifact: test_results
-                  name: Test reports
-                  path: "*.xml"
-                  reporter: java-junit