Remove unused qemu_fls function

Nothing uses qemu_fls() any more, so delete it.
Signed-off-by: NPeter Maydell <peter.maydell@linaro.org>
Reviewed-by: NPaolo Bonzini <pbonzini@redhat.com>
Message-id: 1437741192-20955-6-git-send-email-peter.maydell@linaro.org

include/qemu-common.h

@@ -199,7 +199,6 @@ int qemu_strnlen(const char *s, int max_len);
  */
 char *qemu_strsep(char **input, const char *delim);
 time_t mktimegm(struct tm *tm);
-int qemu_fls(int i);
 int qemu_fdatasync(int fd);
 int fcntl_setfl(int fd, int flag);
 int qemu_parse_fd(const char *param);

util/cutils.c

@@ -145,11 +145,6 @@ time_t mktimegm(struct tm *tm)
     return t;
 }
 
-int qemu_fls(int i)
-{
-    return 32 - clz32(i);
-}
-
 /*
  * Make sure data goes on disk, but if possible do not bother to
  * write out the inode just for timestamp updates.