Get rid of link to irrelevant information after build.

python/mozbuild/mozbuild/mach_commands.py

@@ -536,10 +536,6 @@ def build(self, what=None, disable_extra_make_dependencies=None, jobs=0,
                 # arguably make the build action useful for Fennec. Another day...
                 if self.substs['MOZ_BUILD_APP'] != 'mobile/android':
                     print('To take your build for a test drive, run: |mach run|')
-                app = self.substs['MOZ_BUILD_APP']
-                if app in ('browser', 'mobile/android'):
-                    print('For more information on what to do now, see '
-                        'https://developer.mozilla.org/docs/Developer_Guide/So_You_Just_Built_Firefox')
             except Exception:
                 # Ignore Exceptions in case we can't find config.status (such
                 # as when doing OSX Universal builds)