basic/argv-util: drop unused code

src/basic/argv-util.c

@@ -13,7 +13,6 @@
 #include "path-util.h"
 #include "process-util.h"
 #include "string-util.h"
-#include "strv.h"
 
 int saved_argc = 0;
 char **saved_argv = NULL;
@@ -69,32 +68,6 @@ bool invoked_by_systemd(void) {
         return cached;
 }
 
-bool argv_looks_like_help(int argc, char **argv) {
-        char **l;
-
-        /* Scans the command line for indications the user asks for help. This is supposed to be called by
-         * tools that do not implement getopt()-style command line parsing because they are not primarily
-         * user-facing. Detects four ways of asking for help:
-         *
-         * 1. Passing zero arguments
-         * 2. Passing "help" as first argument
-         * 3. Passing --help as any argument
-         * 4. Passing -h as any argument
-         */
-        assert(argc == 0 || argv);
-
-        if (argc <= 1)
-                return true;
-
-        if (streq_ptr(argv[1], "help"))
-                return true;
-
-        l = strv_skip(argv, 1);
-
-        return strv_contains(l, "--help") ||
-                strv_contains(l, "-h");
-}
-
 static int update_argv(const char name[], size_t l) {
         static int can_do = -1;
         int r;

src/basic/argv-util.h

@@ -10,7 +10,6 @@ void save_argc_argv(int argc, char **argv);
 
 bool invoked_as(char *argv[], const char *token);
 bool invoked_by_systemd(void) _const_;
-bool argv_looks_like_help(int argc, char **argv);
 
 int rename_process_full(const char *comm, const char *invocation);
 static inline int rename_process(const char *name) {