Remove one more arch-specific target name.

One more target had the architecture added to its name since r14209
originally landed and was missed when that change was reverted. Remove
the architecture from v8_libbase as well.

BUG=
R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/334793004

Patch from Richard Coles <torne@chromium.org>.

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21836 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

tools/gyp/v8.gyp

@@ -238,7 +238,7 @@
       'target_name': 'v8_base',
       'type': 'static_library',
       'dependencies': [
-        'v8_libbase.<(v8_target_arch)',
+        'v8_libbase',
       ],
       'variables': {
         'optimize': 'max',
@@ -1056,7 +1056,7 @@
       ],
     },
     {
-      'target_name': 'v8_libbase.<(v8_target_arch)',
+      'target_name': 'v8_libbase',
       'type': 'static_library',
       'variables': {
         'optimize': 'max',