ENH: Remove dummy VNLInstantiation library

This library only exists for compatibility.

Author: blowekamp

Documentation/docs/migration_guides/itk_6_migration_guide.md

@@ -115,3 +115,11 @@ The `CoordRepType` aliases will be removed when `ITK_FUTURE_LEGACY_REMOVE` is
 enabled. Similarly, `InputCoordinateType`, `OutputCoordinateType`, and
 `ImagePointCoordinateType` replace `InputCoordRepType`, `OutputCoordRepType`,
 and `ImagePointCoordRepType`, respectively.
+
+
+ITKVNLInstantiation library is removed
+--------------------------------------
+
+The usage of ITKVNLInstantiation library should be replaced directly with the
+ITKVNL module. The ITKVNLInstantiation library was an empty libray used for
+compatibility and provided transitive linking to ITKVNL.

Modules/Core/Common/itk-module.cmake

@@ -17,12 +17,12 @@ itk_module(
   ENABLE_SHARED
   DEPENDS
   ITKEigen3
+  ITKVNL
   ${ITKCOMMON_TBB_DEPENDS}
   PRIVATE_DEPENDS
   ITKDoubleConversion
   COMPILE_DEPENDS
   ITKKWSys
-  ITKVNLInstantiation
   TEST_DEPENDS
   ITKTestKernel
   ITKMesh

Modules/Core/Common/src/CMakeLists.txt

@@ -198,8 +198,7 @@ itk_module_add_library(ITKCommon ${ITKCommon_SRCS})
 target_link_libraries(
   ITKCommon
   LINK_PUBLIC
-  itksys
-  ITKVNLInstantiation)
+  itksys)
 
 if(UNIX)
   target_link_libraries(