Revert "Update Geometry and BufferGeomery docs for .userData"

This reverts commit 2730e41b505466e26699141570865b6a956ec194.

docs/api/core/BufferGeometry.html

@@ -185,12 +185,6 @@
 		Optional name for this bufferGeometry instance. Default is an empty string.
 		</p>
 
-		<h3>[property:Object userData]</h3>
-		<p>
-		An object that can be used to store custom data about the BufferGeometry. It should not hold
-		references to functions as these will not be cloned.
-		</p>
-
 		<h3>[property:String uuid]</h3>
 		<p>
 		[link:http://en.wikipedia.org/wiki/Universally_unique_identifier UUID] of this object instance.

docs/api/core/Geometry.html

@@ -174,12 +174,6 @@
 		</code>
 		</p>
 
-		<h3>[property:Object userData]</h3>
-		<p>
-		An object that can be used to store custom data about the Geometry. It should not hold
-		references to functions as these will not be cloned.
-		</p>
-
 		<h3>[property:String uuid]</h3>
 		<p>
 		[link:http://en.wikipedia.org/wiki/Universally_unique_identifier UUID] of this object instance.