Symlink arrow-*-double to go-*-skip
Summary: Previously, the arrow-*-double icons were symlinked to go-top/bottom/first/last icons, which aren't really double arrows. go-*-skip icons are real double arrows.
Test Plan:
Reviewers: VDG, ngraham
Reviewed By: VDG, ngraham
Subscribers: kde-frameworks-devel
Tags: Frameworks
Differential Revision: https://phabricator.kde.org/D21063