CI: Remove build api docs job

Now we have the api docs on pub.dev anyway. No need to make all
pipelines 2 minutes longer.

.gitlab-ci.yml

@@ -92,17 +92,6 @@ code_analyze:
     - dart format lib/ test/ test_driver/ --set-exit-if-changed
     - dart analyze
 
-build_api_doc:
-  tags:
-    - docker
-  stage: builddocs
-  image: google/dart
-  script:
-    - dartdoc --exclude "dart:async,dart:collection,dart:convert,dart:core,dart:developer,dart:io,dart:isolate,dart:math,dart:typed_data,dart:ui"
-  artifacts:
-    paths:
-      - doc/api/
-
 build_doc:
   tags:
     - docker
@@ -124,11 +113,9 @@ pages:
   stage: deploy
   image: alpine:latest
   script:
-    - mv doc/api/ ./home/api
     - mv doc-public ./home/doc
     - mv home public
   dependencies:
-    - build_api_doc
     - build_doc
   artifacts:
     paths: