Fix fontsize in SE plot

Signed-off-by: Ruben Merz <ruben.merz@ieee.org>
Fix fontsize in PRB util plot

Signed-off-by: Ruben Merz <ruben.merz@ieee.org>
Remove in-file static font-size location

Signed-off-by: Ruben Merz <ruben.merz@ieee.org>
Do not set labelsize statically

Signed-off-by: Ruben Merz <ruben.merz@ieee.org>
Fix formatting

Signed-off-by: Ruben Merz <ruben.merz@ieee.org>