More "oscillope" keymap fixes. (#1982)

* More keymap fixes. F-row on bottom layer wasn't fully setup, also switched raise/lower keys to use tap-toggle.

* Added PrScr, put Tab back on top layer.

* Fixed build breakage with default keymap (unneeded rgblight.h include)

keyboards/jj40/keymaps/default/keymap.c

@@ -17,7 +17,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 #include "jj40.h"
 #include "action_layer.h"
-#include "rgblight.h"
 
 #define _QWERTY 0
 #define _LOWER  1