Removed copy-pasted "Project merge method" section.

doc/api/projects.md

@@ -31,21 +31,6 @@ There are currently three options for `merge_method` to choose from:
   No merge commits are created and all merges are fast-forwarded, which means that merging is only allowed if the branch could be fast-forwarded.
 
 
-## Project merge method
-
-There are currently three options for `merge_method` to choose from:
-
-* `merge`:
-  A merge commit is created for every merge, and merging is allowed as long as there are no conflicts.
-
-* `rebase_merge`:
-  A merge commit is created for every merge, but merging is only allowed if fast-forward merge is possible.
-  This way you could make sure that if this merge request would build, after merging to target branch it would also build.
-
-* `ff`:
-  No merge commits are created and all merges are fast-forwarded, which means that merging is only allowed if the branch could be fast-forwarded.
-
-
 ## List all projects
 
 Get a list of all visible projects across GitLab for the authenticated user.