Remove attempt to use parse_state_stack

gdb-port/hammer-breakpoints.py

@@ -84,11 +84,6 @@ class HDoParseRetBreakpoint(gdb.Breakpoint):
 		#	ast_manager.set_top_node(ret_val)
 		#	ast_manager.print_ast()
 
-		# warning: this is a mess
-		# This should go in the want_ast block below, logically,
-		# but return_from_h_do_parse() pops the last parse_state off the stack, but that's not the "snapshot" we want to pass in to ast_manager
-		# TODO: this is wrong. we need the parse_states from deeper into the call stack, and this only preserves the last one before return
-		parse_state_stack = top_level_parse.parse_state_stack.copy()
 		top_level_parse.return_from_h_do_parse(parse_state, parser, ret_val)
 
 		# Checking want_result_of() here avoids instantiating a HParseResult every time h_do_parse returns