arm64/fpsimd: Remove duplicate SYS_SVCR read

It seems to be a typo, remove the duplicate SYS_SVCR read.
Signed-off-by: Schspa Shi <schspa@gmail.com>
Link: https://lore.kernel.org/r/20220629051023.18173-1-schspa@gmail.comSigned-off-by: Will Deacon <will@kernel.org>

arch/arm64/kernel/fpsimd.c

@@ -445,7 +445,6 @@ static void fpsimd_save(void)
 
 	if (system_supports_sme()) {
 		u64 *svcr = last->svcr;
-		*svcr = read_sysreg_s(SYS_SVCR);
 
 		*svcr = read_sysreg_s(SYS_SVCR);