Revert "plugins/fmcomms5.c: Trigger MCS button after reloading settings"
The purpose of "reload settings" button should only be to update all widgets with values of the driver attributes.

This reverts commit 0daf6b0c601b2012fc5016fa3ea770f31bc39fb4.

Signed-off-by: Dan Nechita <dan.nechita@analog.com>