Cleaned from unused plugins/colors etc.

* Matching color themes for mc and iTerm2 added.
* Solarized light is now the default color theme.

Signed-off-by: Mario Guenterberg <mguenterberg@ehochdrei-skillware.de>
Seoul color scheme config removed.

Signed-off-by: Mario Guenterberg <mguenterberg@ehochdrei-skillware.de>