remove deprecated defines

- PERL_STATIC_LIBS (was not tested anymore)
- HAVE_GMODULE (always required)
- HAVE_STATIC_IRC
- HAVE_STATIC_PERL
- HAVE_SOCKS (was not working properly)
- USE_GREGEX (we use it)

src/fe-none/irssi.c

@@ -26,16 +26,6 @@
 #include <irssi/src/core/settings.h>
 #include <irssi/src/core/core.h>
 
-#ifdef HAVE_STATIC_PERL
-void perl_core_init(void);
-void perl_core_deinit(void);
-#endif
-
-#ifdef HAVE_STATIC_IRC
-void irc_init(void);
-void irc_deinit(void);
-#endif
-
 static GMainLoop *main_loop;
 static char *autoload_module;
 static int reload;
@@ -73,19 +63,12 @@ void noui_init(void)
 
 	irssi_gui = IRSSI_GUI_NONE;
 	core_init();
-#ifdef HAVE_STATIC_IRC
-	irc_init();
-#endif
 
 	module_register("core", "fe-none");
 
 	signal_add("reload", (SIGNAL_FUNC) sig_reload);
 	signal_add("gui exit", (SIGNAL_FUNC) sig_exit);
 
-#ifdef HAVE_STATIC_PERL
-        perl_core_init();
-#endif
-
 	autoload_modules();
 
 	signal_emit("irssi init finished", 0);
@@ -93,15 +76,8 @@ void noui_init(void)
 
 void noui_deinit(void)
 {
-#ifdef HAVE_STATIC_PERL
-        perl_core_deinit();
-#endif
-
 	signal_remove("reload", (SIGNAL_FUNC) sig_reload);
 	signal_remove("gui exit", (SIGNAL_FUNC) sig_exit);
-#ifdef HAVE_STATIC_IRC
-	irc_deinit();
-#endif
 	core_deinit();
 }
 
@@ -118,9 +94,6 @@ int main(int argc, char **argv)
 	args_execute(argc, argv);
 	core_preinit(argv[0]);
 
-#ifdef HAVE_SOCKS
-	SOCKSinit(argv[0]);
-#endif
 	noui_init();
 
 	if (autoload_module == NULL)