tools/rename_functions_in_ida: Drop support for IDA <7.4

tools/rename_functions_in_ida.py

@@ -1,6 +1,5 @@
 # Renames functions in an IDA database to match the function names
 # in the decompiled source code.
-# This script needs to be compatible with Python 2.7.
 
 import csv
 import idc
@@ -22,4 +21,4 @@ with open(csv_path, "r") as f:
         if decomp_name[-1] in MARKERS:
             decomp_name = decomp_name[:-1]
 
-        idc.MakeName(addr, decomp_name)
+        idc.set_name(addr, decomp_name)