removing chinese translation link. adding py 3.7 on travis

.travis.yml

@@ -1,7 +1,7 @@
 language: python
 python:
-    - "3.5"
     - "3.6"
+    - "3.7"
 before_script:
   - pip install git+git://github.com/ellisonleao/vl.git@py3
   - vl --version

README.md

@@ -6,7 +6,6 @@
 <p align="center">
     <a href="https://github.com/sindresorhus/awesome"><img src="https://cdn.rawgit.com/sindresorhus/awesome/d7305f38d29fed78fa85652e3a63e154dd8e8829/media/badge.svg" alt="Awesome"/></a>
     <a href="https://travis-ci.org/ellisonleao/magictools"><img src="https://travis-ci.org/ellisonleao/magictools.svg?branch=master" alt="build"/></a>
-    <a href="https://github.com/ellisonleao/magictools/blob/master/README_ch.md"><img src="https://img.shields.io/badge/translation-Chinese-lightgrey.svg" alt="Chinese translation"/></a>
 </p>
 
 A curated list of game development resources to make **magic** happen.