test: remove dbms_utility from plisql REGRESS list

The dbms_utility test belongs in contrib/ivorysql_ora, not in
src/pl/plisql/src. The test was incorrectly added to the plisql
Makefile but the actual test files are in the contrib module.

Author: rophy

src/pl/plisql/src/Makefile

@@ -58,7 +58,7 @@ REGRESS = plisql_array plisql_call plisql_control plisql_copy plisql_domain \
 	plisql_record plisql_cache plisql_simple plisql_transaction \
 	plisql_trap plisql_trigger plisql_varprops plisql_nested_subproc \
 	plisql_nested_subproc2 plisql_out_parameter plisql_type_rowtype \
-	plisql_exception dbms_utility
+	plisql_exception
 
 # where to find ora_gen_keywordlist.pl and subsidiary files
 TOOLSDIR = $(top_srcdir)/src/tools