Remove Parameter	canMergeFlag : RevFlag in method public mergeOneCommit(author PersonIdent, committer PersonIdent, repo Repository, rw CodeReviewRevWalk, inserter ObjectInserter, canMergeFlag RevFlag, destBranch Branch.NameKey, mergeTip CodeReviewCommit, n CodeReviewCommit) : CodeReviewCommit from class com.google.gerrit.server.git.MergeUtil