remove supported libs

Author: sawanoboly

config/mruby/build_config.rb

@@ -7,13 +7,11 @@
   #
   # Recommended for ngx_mruby
   #
-  conf.gem :github => 'iij/mruby-io'
   conf.gem :github => 'iij/mruby-env'
   conf.gem :github => 'iij/mruby-dir'
   conf.gem :github => 'iij/mruby-digest'
   conf.gem :github => 'iij/mruby-process'
   conf.gem :github => 'iij/mruby-pack'
-  conf.gem :github => 'iij/mruby-socket'
   conf.gem :github => 'mattn/mruby-json'
   conf.gem :github => 'mattn/mruby-onig-regexp'
   conf.gem :github => 'matsumoto-r/mruby-redis'
@@ -24,7 +22,10 @@
   conf.gem :github => 'matsumoto-r/mruby-mutex'
   conf.gem :github => 'matsumoto-r/mruby-localmemcache'
   conf.gem :github => 'matsumoto-r/mruby-httprequest'
-  conf.gem :github => 'kaihar4/mruby-ipaddress_matcher'
+
+  # conf.gem :github => 'iij/mruby-io'
+  # conf.gem :github => 'iij/mruby-socket'
+  # conf.gem :github => 'kaihar4/mruby-ipaddress_matcher'
 
   # ngx_mruby extended class
   conf.gem './mrbgems/ngx_mruby_mrblib'