Small boot cleanup (#1475)

src/libultra/libc/sprintf.c

@@ -1,30 +0,0 @@
-#include "ultra64.h"
-#include "libc/stdlib.h"
-#include "libc/string.h"
-
-void* proutSprintf(void* dst, const char* fmt, size_t size) {
-    return (void*)((uintptr_t)memcpy(dst, fmt, size) + size);
-}
-
-int vsprintf(char* dst, char* fmt, va_list args) {
-    int ans = _Printf(proutSprintf, dst, fmt, args);
-    if (ans > -1) {
-        dst[ans] = 0;
-    }
-    return ans;
-}
-
-int sprintf(char* dst, const char* fmt, ...) {
-    int ans;
-    va_list args;
-    va_start(args, fmt);
-
-    ans = _Printf(&proutSprintf, dst, fmt, args);
-    if (ans > -1) {
-        dst[ans] = 0;
-    }
-
-    va_end(args);
-
-    return ans;
-}