update Enumerator doc

Author: bpuchala

include/casm/container/Enumerator.hh

@@ -29,14 +29,6 @@ namespace CASM {
    *  - ConfigEnumStrain
    *  - SuperConfigEnum
    *
-   *  Some macros and functions can be used to help implement the required
-   *  members in an Enumerator class. Most enumerators provide iterators that
-   *  dereference as const reference to the object of interest. In some cases it
-   *  may be useful to implement enumerators via a template class using a boolean
-   *  template parameter to specify whether dereferencing iterators results in a
-   *  const or non-const reference to the objects being enumerated. This is what
-   *  the VARIABLECONST macros are intended for.
-   *
    *  Enumerators are required to "know" their own name by implementing a
    *  traits class with 'name' as a const std::string member. For enumerators
    *  meant to be accessible via the 'casm enum' API, the traits class must also

src/casm/app/enum.cc

@@ -169,13 +169,7 @@ namespace CASM {
 
           args.log << "Custom enumerator plugins can be added by placing source code \n"
                    "in the CASM project directory: \n"
-                   "  " << primclex->dir().enumerator_plugins() << " \n\n"
-
-                   "For examples of how to write enumerators see: \n"
-                   "  $REPO/include/casm/enumerators \n"
-                   "  $REPO/src/casm/enumerators \n"
-                   "where: \n"
-                   "  REPO=https://github.com/prisms-center/CASMcode/tree/master \n\n";
+                   "  " << primclex->dir().enumerator_plugins() << " \n\n";
         }
 
         return 0;