revert "ci: install semantic-release-gitlab"

This reverts commit 95cb863.

Author: kantord

.gitlab-ci.yml

@@ -43,7 +43,7 @@ test-build:
 semantic-release:
   stage: publish
   script:
-    - $(yarn bin)/semantic-release-gitlab
+    - yarn semantic-release
   only:
     - master
 

package.json

@@ -71,7 +71,6 @@
     "sass-loader": "^7.1.0",
     "selenium-webdriver": "^4.0.0-alpha.1",
     "semantic-release": "^15.13.3",
-    "semantic-release-gitlab": "^8.0.1",
     "should": "^13.2.3",
     "should-sinon": "0.0.6",
     "sinon": "^7.3.1",