Remove unneeded weak

libc/sysdeps/linux/common/gettimeofday.c

@@ -13,4 +13,3 @@
 #define __NR___gettimeofday __NR_gettimeofday
 attribute_hidden _syscall2(int, __gettimeofday, struct timeval *, tv, struct timezone *, tz);
 strong_alias(__gettimeofday,gettimeofday)
-weak_alias(__gettimeofday,__libc_gettimeofday)