Staging: bcm: Remove typedef for IPV6IcmpHeaderFormatTag.

This patch removes typedef for IPV6IcmpHeaderFormatTag
because it is not being used.
Signed-off-by: Kevin McKinney <klmckinney1@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/bcm/IPv6ProtocolHdr.h

@@ -65,12 +65,6 @@ typedef struct IPV6AuthenticationHeaderFormatTag {
 	unsigned long  ulSecurityParametersIndex;
 } IPV6AuthenticationHeader;
 
-typedef struct IPV6IcmpHeaderFormatTag {
-	unsigned char  ucType;
-	unsigned char  ucCode;
-	unsigned short usChecksum;
-} IPV6IcmpHeader;
-
 enum bcm_ipaddr_context {
 	eSrcIpAddress,
 	eDestIpAddress