TEST: Remove C flag as ListCount() yet to be supported

Author: ubaidsk

integration_tests/CMakeLists.txt

@@ -551,7 +551,7 @@ RUN(NAME test_list_pop3      LABELS cpython llvm)
 RUN(NAME test_list_compare   LABELS cpython llvm)
 RUN(NAME test_list_concat    LABELS cpython llvm c NOFAST)
 RUN(NAME test_list_reserve   LABELS cpython llvm)
-RUN(NAME test_const_list     LABELS cpython llvm c)
+RUN(NAME test_const_list     LABELS cpython llvm)
 RUN(NAME test_tuple_01       LABELS cpython llvm c)
 RUN(NAME test_tuple_02       LABELS cpython llvm c NOFAST)
 RUN(NAME test_tuple_03       LABELS cpython llvm c)