Remove now-obsolete casts.

Source/cmComputeTargetDepends.cxx

@@ -555,7 +555,7 @@ cmComputeTargetDepends
     // Describe the depender.
     e << "  \"" << depender->GetName() << "\" of type "
       << cmTarget::GetTargetTypeName(
-           (cmState::TargetType)depender->GetType()) << "\n";
+           depender->GetType()) << "\n";
 
     // List its dependencies that are inside the component.
     EdgeList const& nl = this->InitialGraph[i];

Source/cmGeneratorExpressionNode.cxx

@@ -1632,7 +1632,7 @@ struct TargetFilesystemArtifactResultCreator<ArtifactPdbTag>
       return std::string();
       }
 
-    cmState::TargetType targetType = (cmState::TargetType)target->GetType();
+    cmState::TargetType targetType = target->GetType();
 
     if(targetType != cmState::SHARED_LIBRARY &&
        targetType != cmState::MODULE_LIBRARY &&

Source/cmGeneratorTarget.cxx

@@ -1965,7 +1965,7 @@ cmGeneratorTarget::CompileInfo const* cmGeneratorTarget::GetCompileInfo(
     std::string msg = "cmTarget::GetCompileInfo called for ";
     msg += this->GetName();
     msg += " which has type ";
-    msg += cmTarget::GetTargetTypeName((cmState::TargetType)this->GetType());
+    msg += cmTarget::GetTargetTypeName(this->GetType());
     this->LocalGenerator->IssueMessage(cmake::INTERNAL_ERROR, msg);
     return 0;
     }
@@ -4697,7 +4697,7 @@ cmGeneratorTarget::OutputInfo const* cmGeneratorTarget::GetOutputInfo(
     std::string msg = "cmGeneratorTarget::GetOutputInfo called for ";
     msg += this->GetName();
     msg += " which has type ";
-    msg += cmTarget::GetTargetTypeName(cmState::TargetType(this->GetType()));
+    msg += cmTarget::GetTargetTypeName(this->GetType());
     this->LocalGenerator->IssueMessage(cmake::INTERNAL_ERROR, msg);
     return 0;
     }

Source/cmInstallTargetGenerator.cxx

@@ -94,8 +94,7 @@ void cmInstallTargetGenerator::GenerateScriptForConfig(std::ostream& os,
   std::vector<std::string> filesFrom;
   std::vector<std::string> filesTo;
   std::string literal_args;
-  cmState::TargetType targetType =
-      static_cast<cmState::TargetType>(this->Target->GetType());
+  cmState::TargetType targetType = this->Target->GetType();
   cmInstallType type = cmInstallType();
   switch(targetType)
     {

Source/cmNinjaNormalTargetGenerator.cxx

@@ -157,7 +157,7 @@ cmNinjaNormalTargetGenerator
   return this->TargetLinkLanguage
     + "_"
     + cmTarget::GetTargetTypeName(
-        (cmState::TargetType)this->GetGeneratorTarget()->GetType())
+        this->GetGeneratorTarget()->GetType())
     + "_LINKER__"
     + cmGlobalNinjaGenerator::EncodeRuleName(this->GetTarget()->GetName())
     ;
@@ -168,7 +168,7 @@ cmNinjaNormalTargetGenerator
 ::WriteLinkRule(bool useResponseFile)
 {
   cmState::TargetType targetType =
-      (cmState::TargetType)this->GetGeneratorTarget()->GetType();
+      this->GetGeneratorTarget()->GetType();
   std::string ruleName = this->LanguageLinkerRule();
 
   // Select whether to use a response file for objects.

Source/cmNinjaTargetGenerator.cxx

@@ -481,7 +481,7 @@ cmNinjaTargetGenerator
   this->GetBuildFileStream()
     << "# Object build statements for "
     << cmTarget::GetTargetTypeName(
-         (cmState::TargetType)this->GetGeneratorTarget()->GetType())
+         this->GetGeneratorTarget()->GetType())
     << " target "
     << this->GetTargetName()
     << "\n\n";

Source/cmVisualStudio10TargetGenerator.cxx

@@ -1743,8 +1743,7 @@ bool cmVisualStudio10TargetGenerator::OutputSourceSpecificFlags(
 
 void cmVisualStudio10TargetGenerator::WritePathAndIncrementalLinkOptions()
 {
-  cmState::TargetType ttype =
-      (cmState::TargetType)this->GeneratorTarget->GetType();
+  cmState::TargetType ttype = this->GeneratorTarget->GetType();
   if(ttype > cmState::GLOBAL_TARGET)
     {
     return;