staging: vc04_services: remove unused macro

BITSET_CLR is not used. Remove the define.

Signed-off-by: Gaston Gonzalez <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.h

···
 #define BITSET_BIT(b)         (1 << (b & 31))
 #define BITSET_IS_SET(bs, b)  (bs[BITSET_WORD(b)] & BITSET_BIT(b))
 #define BITSET_SET(bs, b)     (bs[BITSET_WORD(b)] |= BITSET_BIT(b))
-#define BITSET_CLR(bs, b)     (bs[BITSET_WORD(b)] &= ~BITSET_BIT(b))
 
 enum {
 	DEBUG_ENTRIES,