SL-20024: Remove misleading permissions comment left over from previous implementation

indra/llinventory/llpermissions.h

@@ -251,9 +251,7 @@ class LLPermissions
 	BOOL setNextOwnerBits(const LLUUID& agent, const LLUUID& group, BOOL set, PermissionMask bits);
 	
 	// This is currently only used in the Viewer to handle calling cards
-	// where the creator is actually used to store the target.
-	// It is also used for saving a GLTF material on a prim.
-	// Use with care.
+	// where the creator is actually used to store the target. Use with care.
 	void setCreator(const LLUUID& creator) { mCreator = creator; }
 	
 	//