Use https://www.google.com instead of http://www.google.de in google selection external script

Summary:
-Changed http to https
-Changed .de to .com

I think google.com automatically redirects users to their regional sites.

Reviewers: brauch

Reviewed By: brauch

Subscribers: brauch, kdevelop-devel

Differential Revision: https://phabricator.kde.org/D5719

(cherry picked from commit aa56f1bf)