ENH: Removing CMAKE_HIDE_TARGET_DIRS since it has been superceded by CMAKE_TARGET_DIR_PREFIX.

Source/cmLocalUnixMakefileGenerator3.cxx

@@ -1939,11 +1939,6 @@ cmLocalUnixMakefileGenerator3::GetTargetDirectory(cmTarget& target)
     }
   dir += target.GetName();
   dir += ".dir";
-  const char* hideDirs=m_Makefile->GetDefinition("CMAKE_HIDE_TARGET_DIRS");
-  if (hideDirs && !cmSystemTools::IsOff(hideDirs))
-    {
-    dir = "." + dir;
-    }
   return dir;
 }