C#: Delete clears content test case.

Author: michaelnebel

csharp/ql/test/library-tests/dataflow/external-models/steps.expected

@@ -19,6 +19,3 @@ summarySetterStep
 | Steps.cs:30:34:30:34 | 0 | Steps.cs:30:13:30:16 | [post] this access | Steps.cs:57:13:57:17 | field Field |
 | Steps.cs:34:37:34:37 | 0 | Steps.cs:34:13:34:16 | [post] this access | Steps.cs:63:13:63:20 | property Property |
 | Steps.cs:38:36:38:36 | 0 | Steps.cs:38:13:38:16 | [post] this access | file://:0:0:0:0 | element |
-clearsContent
-| Steps.cs:61:14:61:28 | StepFieldSetter | file://:0:0:0:0 | element | this |
-| Steps.cs:67:14:67:31 | StepPropertySetter | file://:0:0:0:0 | element | this |

csharp/ql/test/library-tests/dataflow/external-models/steps.ql

@@ -29,18 +29,6 @@ private class SummaryModelTest extends SummaryModelCsv {
   }
 }
 
-private class SummarizedCallableClear extends SummarizedCallable {
-  SummarizedCallableClear() {
-    this.getName() = ["StepPropertySetter", "StepFieldSetter"] and
-    this.getFile().getBaseName() = "Steps.cs"
-  }
-
-  override predicate clearsContent(ParameterPosition pos, DataFlow::ContentSet content) {
-    pos.isThisParameter() and
-    content instanceof DataFlow::ElementContent
-  }
-}
-
 query predicate summaryThroughStep(
   DataFlow::Node node1, DataFlow::Node node2, boolean preservesValue
 ) {
@@ -62,8 +50,3 @@ query predicate summarySetterStep(DataFlow::Node arg, DataFlow::Node out, Conten
   FlowSummaryImpl::Private::Steps::summarySetterStep(arg, c, out,
     any(DataFlowDispatch::DataFlowSummarizedCallable sc))
 }
-
-query predicate clearsContent(SummarizedCallable c, DataFlow::Content k, ParameterPosition pos) {
-  c.clearsContent(pos, k) and
-  c.fromSource()
-}