Remove AddLocalSource classes

Author: egregius313

csharp/ql/lib/semmle/code/csharp/security/dataflow/CodeInjectionQuery.qll

@@ -68,8 +68,6 @@ deprecated class RemoteSource extends DataFlow::Node instanceof RemoteFlowSource
  */
 deprecated class LocalSource extends DataFlow::Node instanceof LocalFlowSource { }
 
-private class AddLocalSource extends Source instanceof LocalFlowSource { }
-
 /** A source supported by the current threat model. */
 class ThreatModelSource extends Source instanceof ThreatModelFlowSource { }
 

csharp/ql/lib/semmle/code/csharp/security/dataflow/ResourceInjectionQuery.qll

@@ -67,8 +67,6 @@ deprecated class RemoteSource extends DataFlow::Node instanceof RemoteFlowSource
  */
 deprecated class LocalSource extends DataFlow::Node instanceof LocalFlowSource { }
 
-private class AddLocalSource extends Source instanceof LocalFlowSource { }
-
 /** A source supported by the current threat model. */
 class ThreatModelSource extends Source instanceof ThreatModelFlowSource { }
 

csharp/ql/lib/semmle/code/csharp/security/dataflow/SqlInjectionQuery.qll

@@ -78,8 +78,6 @@ deprecated class RemoteSource extends DataFlow::Node instanceof RemoteFlowSource
  */
 deprecated class LocalSource extends DataFlow::Node instanceof LocalFlowSource { }
 
-private class AddLocalSource extends Source instanceof LocalFlowSource { }
-
 /** A source supported by the current threat model. */
 class ThreatModelSource extends Source instanceof ThreatModelFlowSource { }