[scons] include mod_h2 in static builds (fixes #3224)

patch needed since lighttpd 1.4.71, where mod_h2 is a standalone module
by default, rather than previous of lighttpd having h2.c built-in to the
lighttpd base executable.

x-ref:
  "mod_h2 is missing in scons fullstatic build"
  https://redmine.lighttpd.net/issues/3224

src/SConscript

@@ -187,8 +187,6 @@ staticsrc += builtin_mods
 for module in builtin_mods:
 	staticinit += "PLUGIN_INIT(%s)\n"%module[0:-2]
 for module in modules.keys():
-	if module == "mod_h2":
-		continue
 	staticsrc += modules[module]['src']
 	staticinit += "PLUGIN_INIT(%s)\n"%module
 	if 'lib' in modules[module]: