coding style: CHANGE: update Coding style document
coding style: CHANGE: update Coding style document

Remove notes about indent - it does not fit all our requirements.

PavolVican/libyang,PavolVican/libyang,lukasmacko/libyang,PavolVican/libyang,PavolVican/libyang,lukasmacko/libyang,PavolVican/libyang