Remove gc_type, as it was only ever touched by gc_typeForClass() and gc_setTypeForClass()

Author: cmpwi

associate.mm

@@ -54,11 +54,6 @@
 	 * @syncronize().
 	 */
 	mutex_t lock;
-	/**
-	 * Garbage collection type.  This stores the location of all of the
-	 * instance variables in the object that may contain pointers.
-	 */
-	void *gc_type;
 	/**
 	 * Array of references.
 	 */