util: move parse_syscall_and_errno() to seccomp-util.c

This makes parse-util.c independent of seccomp-util.c, which is located
in src/shared.

src/basic/parse-util.c

@@ -16,9 +16,6 @@
 #include "missing_network.h"
 #include "parse-util.h"
 #include "process-util.h"
-#if HAVE_SECCOMP
-#include "seccomp-util.h"
-#endif
 #include "stat-util.h"
 #include "string-util.h"
 #include "strv.h"
@@ -317,46 +314,6 @@ int parse_errno(const char *t) {
         return e;
 }
 
-#if HAVE_SECCOMP
-int parse_syscall_and_errno(const char *in, char **name, int *error) {
-        _cleanup_free_ char *n = NULL;
-        char *p;
-        int e = -1;
-
-        assert(in);
-        assert(name);
-        assert(error);
-
-        /*
-         * This parse "syscall:errno" like "uname:EILSEQ", "@sync:255".
-         * If errno is omitted, then error is set to -1.
-         * Empty syscall name is not allowed.
-         * Here, we do not check that the syscall name is valid or not.
-         */
-
-        p = strchr(in, ':');
-        if (p) {
-                e = seccomp_parse_errno_or_action(p + 1);
-                if (e < 0)
-                        return e;
-
-                n = strndup(in, p - in);
-        } else
-                n = strdup(in);
-
-        if (!n)
-                return -ENOMEM;
-
-        if (isempty(n))
-                return -EINVAL;
-
-        *error = e;
-        *name = TAKE_PTR(n);
-
-        return 0;
-}
-#endif
-
 static const char *mangle_base(const char *s, unsigned *base) {
         const char *k;