BUG: Fix class name in RTTI

Fix class name in RTTI.

Fixes:
```
Name of Class = Image
Name of Superclass = Object
Class name provided does not match object's NameOfClass
```

raised for example in:
https://open.cdash.org/test/667512903

Modules/Registration/Common/include/itkImageRegistrationMethodImageSource.h

@@ -51,7 +51,7 @@ class ImageRegistrationMethodImageSource : public itk::Object
   itkNewMacro(Self);
 
   /** Run-time type information (and related methods). */
-  itkTypeMacro(Image, Object);
+  itkTypeMacro(ImageRegistrationMethodImageSource, Object);
 
 
   using MovingImageType = itk::Image<TMovingPixelType, VDimension>;