Remove files from commit

Author: Gijsreyn

docs/reference/schemas/config/functions/copy.md

@@ -603,7 +603,6 @@ The following list of functions operate on integer values or arrays of integer v
 
 The following list of functions operate on resource instances:
 
-- [copyIndex()][copyIndex] - Return the current iteration index of a copy loop.
 - [reference()][reference] - Return the result data for another resource instance.
 - [resourceId()][resourceId] - Return the ID of another resource instance to reference or depend
   on.