Update cloud9 to its latest version.

Get rid of sm.

component/cloud9/buildout.cfg

@@ -14,13 +14,6 @@ parts =
 [cloud9]
 <= cloud9-git
 
-[node-sm]
-recipe = slapos.recipe.build:npm
-packages = sm@0.2.11
-node = nodejs
-environment =
-  PATH=${nodejs:location}/bin:%(PATH)s
-
 [cloud9-stable]
 # Online IDE written in javascript/node.js
 # URL : c9.io
@@ -28,7 +21,7 @@ environment =
 # NODE_PATH=${:destination}/node_modules ${nodejs:node_location} ${:cloud9_js_location}
 recipe = plone.recipe.command
 stop-on-error = true
-commit = 5d18344936baf1d86b0fa5fc2c690051b4c77cb2
+commit = ab693862647cbeb216734f795745e4c564258110
 repository = https://github.com/ajaxorg/cloud9.git
 location = ${buildout:parts-directory}/${:_buildout_section_name_}
 git-binary = ${git:location}/bin/git
@@ -54,8 +47,8 @@ stop-on-error = true
 commit = f7d102bc225c922f116d2cea52a746d64343ea59
 repository = https://github.com/ajaxorg/cloud9.git
 location = ${buildout:parts-directory}/${:_buildout_section_name_}
-environment = export GIT_SSL_NO_VERIFY=true; export PATH=${git:location}/bin:${nodejs:location}/bin:${node-sm:location}/node_modules/sm/bin:$PATH; export CPPFLAGS="-I${libxml2:location}/include -I${nodejs:location}/include"; export LDFLAGS="-L${libxml2:location}/lib -Wl,-rpath=${libxml2:location}/lib"; export HOME=${:location};
-command = ${:environment} (git clone --quiet ${:repository} ${:location} && cd ${:location} && git reset --hard ${:commit} && ${node-sm:location}/node_modules/.bin/sm install && patch -p1 < ${cloud9-session-directory.patch:location}/${cloud9-session-directory.patch:filename}) || (rm -fr ${:location}; exit 1)
+environment = export GIT_SSL_NO_VERIFY=true; export PATH=${git:location}/bin:${nodejs:location}/bin:$PATH; export CPPFLAGS="-I${libxml2:location}/include -I${nodejs:location}/include"; export LDFLAGS="-L${libxml2:location}/lib -Wl,-rpath=${libxml2:location}/lib"; export HOME=${:location};
+command = ${:environment} (git clone --quiet ${:repository} ${:location} && cd ${:location} && git reset --hard ${:commit} && patch -p1 < ${cloud9-session-directory.patch:location}/${cloud9-session-directory.patch:filename} && npm install) || (rm -fr ${:location}; exit 1)
 update-command =
 executable = ${:location}/server.js