Change t/geturl_connectivity.pl to handwritten

Commit a9c1e54 removed the
`configure.ac` substitution, so the test no longer needs to be
generated.

Makefile.am

@@ -63,13 +63,13 @@ AM_PL_LOG_FLAGS = -Mstrict -w \
 	-MDevel::Autoflush
 handwritten_tests = \
 	t/get_ip_from_if.pl \
+	t/geturl_connectivity.pl \
 	t/is-and-extract-ipv4.pl \
 	t/is-and-extract-ipv6.pl \
 	t/is-and-extract-ipv6-global.pl \
 	t/parse_assignments.pl \
 	t/write_cache.pl
 generated_tests = \
-	t/geturl_connectivity.pl \
 	t/version.pl
 TESTS = $(handwritten_tests) $(generated_tests)
 $(TESTS): ddclient

configure.ac

@@ -82,7 +82,6 @@ m4_foreach_w([_m], [
 
 AC_CONFIG_FILES([
     Makefile
-    t/geturl_connectivity.pl
     t/version.pl
   ])
 AC_OUTPUT