Revert 275105 "Add browser_tests.exe to list of files archived f..."

We are not building browser_tests in official

> Add browser_tests.exe to list of files archived for Windows builds.
> 
> This is following up from CL: https://codereview.chromium.org/302403003/
> 
> BUG=379986
> 
> Review URL: https://codereview.chromium.org/316803003

TBR=anandc@chromium.org

Review URL: https://codereview.chromium.org/311393003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@275493 0039d316-1c4b-4281-b951-d872f2087c98

chrome/tools/build/win/FILES.cfg

@@ -30,12 +30,6 @@
 #           considered an error.
 
 FILES = [
-  {
-    'filename': 'browser_tests.exe',
-    'buildtype': ['dev', 'official'],
-    'filegroup': ['default', 'symsrc'],
-    'archive':  'browser_tests.exe',
-  },
   {
     'filename': 'ffmpegsumo.dll',
     'buildtype': ['dev', 'official'],