Remove config for Travis CI

.travis.yml

@@ -1,15 +0,0 @@
-dist: xenial
-language: python
-python:
-  - "2.7"
-  - "3.4"
-  - "3.5"
-  - "3.6"
-  - "3.7"
-  - "3.8"
-  - "3.9-dev"
-  - "pypy2.7-6.0"
-  - "pypy3.5-6.0"
-install: pip install tox-travis
-script:
-  - tox

README.md

@@ -37,7 +37,7 @@ Most importantly, Lark will save you time and prevent you from getting parsing h
 
 Lark has no dependencies.
 
-[![Build Status](https://travis-ci.org/lark-parser/lark.svg?branch=master)](https://travis-ci.org/lark-parser/lark)
+[![Tests](https://github.com/lark-parser/lark/actions/workflows/tests.yml/badge.svg)](https://github.com/lark-parser/lark/actions/workflows/tests.yml)
 
 ### Syntax Highlighting
 

tox.ini

@@ -2,17 +2,6 @@
 envlist = py27, py34, py35, py36, py37, py38, py39, pypy, pypy3
 skip_missing_interpreters=true
 
-[travis]
-2.7 = py27
-3.4 = py34
-3.5 = py35
-3.6 = py36
-3.7 = py37
-3.8 = py38
-3.9 = py39
-pypy = pypy
-pypy3 = pypy3
-
 [testenv]
 whitelist_externals = git
 deps =