hv: treewide: fix 'No definition in system for prototyped procedure'

- Remove those APIs without definition

- Minor changes to make sure the line length is less than 80

Signed-off-by: Shiqing Gao <shiqing.gao@intel.com>
Reviewed-by: Junjie Mao <junjie.mao@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>

hypervisor/include/lib/rtl.h

@@ -28,7 +28,6 @@ struct udiv_result {
 /* Function prototypes */
 void udelay(uint32_t us);
 void *memchr(const void *void_s, int c, size_t n);
-void *memmove(void *s1, const void *s2, size_t n);
 int strcmp(const char *s1, const char *s2);
 int strncmp(const char *s1, const char *s2, size_t n);
 char *strcpy_s(char *d, size_t dmax, const char *s);