bluetooth: uninlining

Remove all those inlines which were either a) unneeded or b) increased code
size.

          text    data     bss     dec     hex filename
before:   6997      74       8    7079    1ba7 net/bluetooth/hidp/core.o
after:    6492      74       8    6574    19ae net/bluetooth/hidp/core.o

Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>