Remove alpine edge from gitlab CI build as well

.gitlab-ci.yml

@@ -10,8 +10,7 @@ stages:
     paths:
     - .cache
   before_script:
-  - echo "@edge_community http://dl-cdn.alpinelinux.org/alpine/edge/community" >> /etc/apk/repositories
-  - apk add build-base olm-dev@edge_community
+  - apk add build-base olm-dev
   - mkdir -p .cache
   - export GOPATH="$CI_PROJECT_DIR/.cache"
   - export GO_LDFLAGS="-X main.Tag=$CI_COMMIT_TAG -X main.Commit=$CI_COMMIT_SHA -X 'main.BuildTime=`date '+%b %_d %Y, %H:%M:%S'`'"