staging: gdm724x: remove redundant assignment of pointer w

Pointer w is being assigned a value that is never read, it is
being re-assigned a new value later. The assignment is redundant
and can be removed.

Cleans up clan scan build warning:
drivers/staging/gdm724x/gdm_lte.c:198:2: warning: Value stored to 'w'
is never read [deadcode.DeadStores]

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

drivers/staging/gdm724x/gdm_lte.c

···
 	pseudo_header.ph.ph_len = be16_to_cpu(ipv6->payload_len);
 	pseudo_header.ph.ph_nxt = ipv6->nexthdr;
 
-	w = (u16 *)&pseudo_header;
 	for (i = 0; i < ARRAY_SIZE(pseudo_header.pa); i++) {
 		pa = pseudo_header.pa[i];
 		sum = csum_add(sum, csum_unfold((__force __sum16)pa));