Cleanup dead/useless code

day04/ex2-c.c

@@ -204,20 +204,6 @@ int valid_passport()
     return valid;
 }
 
-char *my_getkeyZOBI(str)            /* search string before ':' */
-    char *str;
-{
-    char *p=str;
-
-    while (*str++ == ' ')      /* skip spaces */
-        ;
-    p=str;
-    while (*p && *p++ != ':')  /* skip spaces */
-        ;
-    *p='\0';
-    return my_strlen(str) ? str: NULL;
-}
-
 int main(ac, av)
     char **av;
 {