Python: Fix up import helper tests

Author: tausbn

python/ql/test/experimental/dataflow/import-helper/ImportHelper.expected

@@ -5,15 +5,11 @@ importModule
 | test2.py:1:6:1:10 | ControlFlowNode for ImportExpr | mypkg |
 | test2.py:1:19:1:21 | GSSA Variable foo | mypkg.foo |
 | test2.py:1:24:1:26 | GSSA Variable bar | mypkg.bar |
-| test3.py:1:8:1:16 | ControlFlowNode for ImportExpr | mypkg |
 | test3.py:1:8:1:16 | ControlFlowNode for ImportExpr | mypkg.foo |
-| test3.py:2:8:2:16 | ControlFlowNode for ImportExpr | mypkg |
 | test3.py:2:8:2:16 | ControlFlowNode for ImportExpr | mypkg.bar |
 | test3.py:2:8:2:16 | GSSA Variable mypkg | mypkg |
-| test4.py:1:8:1:16 | ControlFlowNode for ImportExpr | mypkg |
 | test4.py:1:8:1:16 | ControlFlowNode for ImportExpr | mypkg.foo |
 | test4.py:1:21:1:24 | GSSA Variable _foo | mypkg.foo |
-| test4.py:2:8:2:16 | ControlFlowNode for ImportExpr | mypkg |
 | test4.py:2:8:2:16 | ControlFlowNode for ImportExpr | mypkg.bar |
 | test4.py:2:21:2:24 | GSSA Variable _bar | mypkg.bar |
 | test5.py:1:8:1:12 | ControlFlowNode for ImportExpr | mypkg |
@@ -22,12 +18,10 @@ importModule
 | test5.py:9:26:9:29 | GSSA Variable _bar | mypkg.bar |
 | test6.py:1:8:1:12 | ControlFlowNode for ImportExpr | mypkg |
 | test6.py:1:8:1:12 | GSSA Variable mypkg | mypkg |
-| test6.py:5:8:5:16 | ControlFlowNode for ImportExpr | mypkg |
 | test6.py:5:8:5:16 | ControlFlowNode for ImportExpr | mypkg.foo |
 | test6.py:5:8:5:16 | GSSA Variable mypkg | mypkg |
 | test7.py:1:6:1:10 | ControlFlowNode for ImportExpr | mypkg |
 | test7.py:1:19:1:21 | GSSA Variable foo | mypkg.foo |
-| test7.py:5:8:5:16 | ControlFlowNode for ImportExpr | mypkg |
 | test7.py:5:8:5:16 | ControlFlowNode for ImportExpr | mypkg.foo |
 | test7.py:5:8:5:16 | GSSA Variable mypkg | mypkg |
 | test7.py:9:6:9:10 | ControlFlowNode for ImportExpr | mypkg |