Remove unnecessary stages

Author: sarahchen6

.gitlab-ci.yml

@@ -23,16 +23,12 @@ stages:
   - publish
   - shared-pipeline
   - benchmarks
-  - infrastructure
   # These benchmarks are intended to replace the legacy benchmarks in the future
   - java-spring-petclinic-parallel
   - java-spring-petclinic-parallel-slo
   - java-startup-benchmarks-parallel
   - java-load-parallel
   - java-dacapo-parallel
-  - benchmark-comparison
-  - generate-slos
-  - upload-to-bp-api
   - macrobenchmarks
   - tests
   - test-summary