Revert "Implemented support for generalized void in analyzer."

pkg/analyzer/lib/src/generated/error_verifier.dart

Index: pkg/analyzer/lib/src/generated/error_verifier.dart
diff --git a/pkg/analyzer/lib/src/generated/error_verifier.dart b/pkg/analyzer/lib/src/generated/error_verifier.dart
index 4660299dcd3ca2e7f282454ef644d7b559905ae6..50513f74be7c9b4b34d9a864b80799d318001ad6 100644
--- a/pkg/analyzer/lib/src/generated/error_verifier.dart
+++ b/pkg/analyzer/lib/src/generated/error_verifier.dart
@@ -962,6 +962,7 @@ class ErrorVerifier extends RecursiveAstVisitor<Object> {
         _checkForMismatchedAccessorTypes(node, methodName);
       }
       if (node.isGetter) {
+        _checkForVoidReturnType(node);
         _checkForConflictingStaticGetterAndInstanceSetter(node);
       } else if (node.isSetter) {
         _checkForInvalidModifierOnBody(
@@ -6039,6 +6040,19 @@ class ErrorVerifier extends RecursiveAstVisitor<Object> {
 //        }
   }
 
+  /**
+   * Verify that the given [getter] does not have a return type of 'void'.
+   *
+   * See [StaticWarningCode.VOID_RETURN_FOR_GETTER].
+   */
+  void _checkForVoidReturnType(MethodDeclaration getter) {
+    TypeAnnotation returnType = getter.returnType;
+    if (returnType is TypeName && returnType.name.name == "void") {
+      _errorReporter.reportErrorForNode(
+          StaticWarningCode.VOID_RETURN_FOR_GETTER, returnType);
+    }
+  }
+
   /**
    * Verify the given operator-method [declaration], has correct number of
    * parameters.