Revert "feat(go-unittests): run Go race detector"

What
---
This reverts commit dc99c125.

Why
---
This was pushed by mistake to the `main` branch.

go-unittests.md

@@ -22,9 +22,6 @@ include:
   - project: 'gitlab-com/gl-infra/common-ci-tasks'
     ref: v1.78.1  # renovate:managed
     file: go-unittests.yml
-    inputs:
-      # Run Go race detector
-      race: true
 ```
 ## Skipping Integration Tests

go-unittests.yml

----
 spec:
   inputs:
     stage:
       default: validate
-    race:
-      default: false
-      description: Run go tests with the Go race detector https://go.dev/doc/articles/race_detector
 ---
-.go_unittests_base:
+go_unittests:
   image: golang:${GL_ASDF_GOLANG_VERSION}
   stage: $[[ inputs.stage ]]
   needs: []
-  after_script: |
-    cat <<-EOD
-    ----------------------------------------------------------
-    Need help? Documentation on the go_unittests CI job can be found at:
-    https://gitlab.com/gitlab-com/gl-infra/common-ci-tasks/-/blob/main/go-unittests.md
-    EOD
-  # Automatically retry on any system blips
-  retry:
-    max: 2
-    when:
-      - runner_system_failure
-
-go_unittests:
-  extends:
-    - .go_unittests_base
   script:
     - GOBIN=/usr/bin/ go install -v gotest.tools/gotestsum@latest || go get gotest.tools/gotestsum
     - packages=$(go list ./...|grep -Ev "${GO_UNITTESTS_EXCLUDE_PACKAGES_REGEXP:-__ignored__}" || true)
@@ -35,25 +16,22 @@ go_unittests:
       else
         echo "all packages excluded, skipping tests...";
       fi
+  after_script: |
+    cat <<-EOD
+    ----------------------------------------------------------
+    Need help? Documentation on the go_unittests CI job can be found at:
+    https://gitlab.com/gitlab-com/gl-infra/common-ci-tasks/-/blob/main/go-unittests.md
+    EOD
   artifacts:
     when: always
     reports:
       junit: report.xml
   rules:
-    - if: $CI_PIPELINE_SOURCE == "merge_request_event"
-    - if: $CI_COMMIT_BRANCH == $CI_DEFAULT_BRANCH && $CI_PIPELINE_SOURCE != "schedule"
-go_unittests_race:
-  extends:
-    - .go_unittests_base
-  script:
-    - packages=$(go list ./...|grep -Ev "${GO_UNITTESTS_EXCLUDE_PACKAGES_REGEXP:-__ignored__}" || true)
-    - if [[ -n "$packages" ]]; then
-        go test -v -race $packages;
-      else
-        echo "all packages excluded, skipping tests...";
-      fi
-  rules:
-    - if: $[[ inputs.race ]]
-    - if: $CI_PIPELINE_SOURCE == "merge_request_event"
-    - if: $CI_COMMIT_BRANCH == $CI_DEFAULT_BRANCH && $CI_PIPELINE_SOURCE != "schedule"
+    - if: '$CI_PIPELINE_SOURCE == "merge_request_event"'
+    - if: '$CI_COMMIT_BRANCH == $CI_DEFAULT_BRANCH && $CI_PIPELINE_SOURCE != "schedule"'
+  # Automatically retry on any system blips
+  retry:
+    max: 2
+    when:
+      - runner_system_failure