Remove ash_unittests/mash_unittests from Windows build targets

tools/determinism/deterministic_build_whitelist.pyl

Index: tools/determinism/deterministic_build_whitelist.pyl
diff --git a/tools/determinism/deterministic_build_whitelist.pyl b/tools/determinism/deterministic_build_whitelist.pyl
index 3f1e955a86c2ae9687a2d78c0316b98eff9523e1..79024e2bb4c381eae8e54cc5a7fd26e2a8ed66a8 100644
--- a/tools/determinism/deterministic_build_whitelist.pyl
+++ b/tools/determinism/deterministic_build_whitelist.pyl
@@ -178,7 +178,6 @@
     'ar_sample_test_driver.exe',
     'ash_library.dll',

[sky, 2016/12/02 17:04:26]

Because of the assert you added we know we're not building ash anymore on
windows at all. Should you remove this and the next line?

[James Cook, 2016/12/02 18:38:55]

Doh! Good catch. Done.

     'ash_shell_with_content.exe',
-    'ash_unittests.exe',
     'audio_unittests.exe',
     'aura_demo.exe',
     'aura_unittests.exe',
@@ -269,7 +268,6 @@
     'libaddressinput_unittests.exe',
     'login_library.dll',
     'mash_init_library.dll',
-    'mash_unittests.exe',
     'media_blink_unittests.exe',
     'media_library.dll',
     'media_mojo_shell_unittests.exe',