On further thought just remove support for ASM Zlib entirely.

Since the ASM implementations of Zlib have bugs that we run into there's
no reason anyone should use them.  If that changes we can revert this
in the future.

* gen-make.py
  (_usage_exit, __main__): Remove enable-ml option.
* build/generator/gen_win_dependencies.py
  (GenDependenciesBase.parse_options): Remove enable-ml option
  (GenDependenciesBase._find_ml): Remove
  (GenDependenciesBase._find_zlib): Remove call to _find_ml

* build/generator/gen_win.py
  (WinGeneratorBase.__init__, WinGeneratorBase.write_zlib_project_file):
    remove use_ml from data sent to ezt.
* build/generator/templates/build_zlib.ezt
  (): Remove the code to use the assembler from bat file



git-svn-id: https://svn.apache.org/repos/asf/subversion/trunk@1560864 13f79535-47bb-0310-9956-ffa450edef68