[travis] Neko custom repo removal

.travis.yml

@@ -2,15 +2,16 @@ language: node_js
 
 before_install:
   - sudo apt-get install python-software-properties -y # for the next command
-  - sudo add-apt-repository ppa:eyecreate/haxe -y      # add the ubuntu ppa that contains neko
-  - sudo apt-get update                                # pull info from ppa
-  - sudo apt-get install neko -y
+  # the following repo is not working. TODO: make neko from sources
+  # - sudo add-apt-repository ppa:eyecreate/haxe -y      # add the ubuntu ppa that contains neko
+  # - sudo apt-get update                                # pull info from ppa
+  # - sudo apt-get install neko -y
   - sudo apt-get install ocaml zlib1g-dev -y
 
 script:
   - make
-  - make tools
+  # - make tools
   - sudo make install
   - cd tests/unit/
   - mkdir ~/haxelib && haxelib setup ~/haxelib
-  - haxe -version
+  - haxe -version