Remove javascript_engine GYP variable.

(it's no longer needed in Chromium as of http://crrev.com/100692)

Review URL: http://breakpad.appspot.com/303001


git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@834 4c0a9323-5329-0410-9bdc-e9ce6186880e

src/client/windows/build/common.gypi

@@ -191,10 +191,6 @@
     # Currently ignored on Windows.
     'coverage%': 0,
 
-    # Overridable specification for potential use of alternative
-    # JavaScript engines.
-    'javascript_engine%': 'v8',
-
     # Although base/allocator lets you select a heap library via an
     # environment variable, the libcmt shim it uses sometimes gets in
     # the way.  To disable it entirely, and switch to normal msvcrt, do e.g.
@@ -272,7 +268,7 @@
 
     # Enable new NPDevice API.
     'enable_new_npdevice_api%': 0,
-    
+
     'conditions': [
       ['OS=="linux" or OS=="freebsd" or OS=="openbsd"', {
         # This will set gcc_version to XY if you are running gcc X.Y.*.