MRWidget: Remove approved from serializer.

app/assets/javascripts/vue_merge_request_widget/ee/stores/mr_widget_store.js

@@ -31,7 +31,7 @@ export default class MergeRequestStore extends CEMergeRequestStore {
   }
 
   initApprovals(data) {
-    this.isApproved = data.approved || false;
+    this.isApproved = this.isApproved || false;
     this.approvals = this.approvals || null;
     this.approvalsPath = data.approvals_path || this.approvalsPath;
     this.approvalsRequired = Boolean(this.approvalsPath);
@@ -40,7 +40,7 @@ export default class MergeRequestStore extends CEMergeRequestStore {
   setApprovals(data) {
     this.approvals = data;
     this.approvalsLeft = !!data.approvals_left;
-    this.isApproved = data.approved || !this.approvalsLeft || false;
+    this.isApproved = !this.approvalsLeft || false;
     this.preventMerge = this.approvalsRequired && this.approvalsLeft;
   }
 }

app/serializers/merge_request_entity.rb

@@ -21,7 +21,6 @@ class MergeRequestEntity < IssuableEntity
   expose :rebase_commit_sha
   expose :rebase_in_progress?, as: :rebase_in_progress
   expose :should_be_rebased?, as: :should_be_rebased
-  expose :approved?, as: :approved
   expose :ff_only_enabled do |merge_request|
     merge_request.project.merge_requests_ff_only_enabled
   end