Python: update test expectations

Author: yoff

python/ql/test/experimental/dataflow/coverage/classesCallGraph.expected

@@ -1,8 +1,5 @@
 | classes.py:45:16:45:35 | ControlFlowNode for Attribute() | classes.py:45:16:45:35 | ControlFlowNode for Attribute() |
 | classes.py:60:17:60:27 | [pre objCreate] ControlFlowNode for With_init() | classes.py:54:18:54:21 | ControlFlowNode for self |
-| classes.py:242:9:242:24 | ControlFlowNode for set() | classes.py:242:9:242:24 | ControlFlowNode for set() |
-| classes.py:247:9:247:30 | ControlFlowNode for frozenset() | classes.py:247:9:247:30 | ControlFlowNode for frozenset() |
-| classes.py:252:9:252:28 | ControlFlowNode for dict() | classes.py:252:9:252:28 | ControlFlowNode for dict() |
 | classes.py:565:5:565:16 | ControlFlowNode for with_getitem | classes.py:555:21:555:24 | ControlFlowNode for self |
 | classes.py:565:18:565:21 | ControlFlowNode for arg2 | classes.py:555:27:555:29 | ControlFlowNode for key |
 | classes.py:581:5:581:16 | ControlFlowNode for with_setitem | classes.py:570:21:570:24 | ControlFlowNode for self |