fix: remove udfpy.sim pycumsum part

tests/script/tsim/query/udfpy.sim

@@ -281,17 +281,17 @@ if $data20 != 8.000000000 then
   return -1
 endi
 
-sql create aggregate function pycumsum as '/tmp/pyudf/pycumsum.py' outputtype double bufSize 128 language 'python';
-sql select pycumsum(f2) from udf.t2
-print ======= pycumsum
-print $rows $data00
-if $rows != 1 then
-  return -1
-endi
-if $data00 != 20.000000000 then
-  return -1
-endi
-sql drop function pycumsum
+#sql create aggregate function pycumsum as '/tmp/pyudf/pycumsum.py' outputtype double bufSize 128 language 'python';
+#sql select pycumsum(f2) from udf.t2
+#print ======= pycumsum
+#print $rows $data00
+#if $rows != 1 then
+#  return -1
+#endi
+#if $data00 != 20.000000000 then
+#  return -1
+#endi
+#sql drop function pycumsum
 
 sql create or replace function bit_and as '/tmp/udf/libbitand.so' outputtype int
 sql select func_version from information_schema.ins_functions where name='bit_and'