arm:at91-boards: remove console_init_f where unnecessary

arm:at91-boards: remove console_init_f where unnecessary

A lot of at91 boards have the console_init_f in board_init. This is useless
cause it was called before by generic code in lib/board.c.

Signed-off-by: Andreas Bießmann <[email protected]>
cc: Jens Scharsig <[email protected]>
cc: Stelian Pop <[email protected]>
cc: Sedji Gaouaou<[email protected]>
cc: Albin Tonnerre <[email protected]>
cc: Eric Benard <[email protected]>
Tested-by: [email protected]
Tested-by: [email protected]
Acked-by: Jens Scharsig (BuS Elektronik) <[email protected]>
Tested-by: Jens Scharsig (BuS Elektronik) <[email protected]>