Fix test

Author: David Ungar

test/NameBinding/scope_map_top_level.swift

@@ -51,10 +51,6 @@ var i: Int = b.my_identity()
 // CHECK-EXPANDED-NEXT:                 |-TypeAliasDeclScope {{.*}}, [15:1 - 15:15]
 // CHECK-EXPANDED-NEXT:                 |-ExtensionDeclScope {{.*}}, [17:1 - 19:1]
 // CHECK-EXPANDED-NEXT:                   `-ExtensionBodyScope {{.*}}, [17:15 - 19:1]
-// CHECK-EXPANDED-NEXT:                     `-AbstractFunctionDeclScope {{.*}}, [18:3 - 18:43] 'my_identity()'
-// CHECK-EXPANDED-NEXT:                       `-ParameterListScope {{.*}}, [18:19 - 18:43]
-// CHECK-EXPANDED-NEXT:                         `-MethodBodyScope {{.*}}, [18:29 - 18:43]
-// CHECK-EXPANDED-NEXT:                           `-BraceStmtScope {{.*}}, [18:29 - 18:43]
 // CHECK-EXPANDED-NEXT:                 `-TopLevelCodeScope {{.*}}, [21:1 - 21:28]
 // CHECK-EXPANDED-NEXT:                   `-BraceStmtScope {{.*}}, [21:1 - 21:28]
 // CHECK-EXPANDED-NEXT:                     `-PatternEntryDeclScope {{.*}}, [21:5 - 21:28] entry 0 'i'