Remove redundant app name from header
Summary: Now that we're using the header for buttons, the app name name starts to make it look a bit crowsed. Also, it's redundant, since the name is listed again right below it. So, let's remove it.
Test Plan:
Man, Discover is looking really good these days.
Reviewers: apol, Discover Software Store
Reviewed By: apol, Discover Software Store
Subscribers: plasma-devel
Tags: Plasma
Differential Revision: https://phabricator.kde.org/D11364