Don't duplicate description for docs

Author: alcaeus

docs/includes/apiargs-MongoDBCollection-method-createIndex-option.yaml

@@ -6,8 +6,8 @@ description: |
   primary, must complete the index builds successfully before the primary marks
   the indexes as ready.
 
-  This option accepts the same values for the "w" field in a write concern plus
-  "votingMembers", which indicates all voting data-bearing nodes.
+  This option accepts the same values for the ``w`` field in a write concern
+  plus ``"votingMembers"``, which indicates all voting data-bearing nodes.
 
   This is not supported for server versions prior to 4.4 and will result in an
   exception at execution time if used.

docs/includes/apiargs-MongoDBCollection-method-createIndexes-option.yaml

@@ -1,21 +1,6 @@
-arg_name: option
-name: commitQuorum
-type: string|integer
-description: |
-  Specifies how many data-bearing members of a replica set, including the
-  primary, must complete the index builds successfully before the primary marks
-  the indexes as ready.
-
-  This option accepts the same values for the "w" field in a write concern plus
-  "votingMembers", which indicates all voting data-bearing nodes.
-
-  This is not supported for server versions prior to 4.4 and will result in an
-  exception at execution time if used.
-
-  .. versionadded:: 1.7
-interface: phpmethod
-operation: ~
-optional: true
+source:
+  file: apiargs-MongoDBCollection-method-createIndex-option.yaml
+  ref: commitQuorum
 ---
 source:
   file: apiargs-common-option.yaml