Remove Selenium 2.53.6 from Travis

Author: aaltat

.travis.yml

@@ -40,7 +40,7 @@ matrix:
  - ROBOTFRAMEWORK=3.0.4
  - ROBOT_OPTIONS=--dotted
  - INTERPRETER=pypy3
- - python: "3.6"
+ - python: "3.4"
  env:
  - BROWSER=headlesschrome
  - SELENIUM=3.12.0
@@ -51,7 +51,7 @@ matrix:
  - python: "2.7"
  env:
  - BROWSER=chrome
- - SELENIUM=2.53.6
+ - SELENIUM=3.12.0
  - ROBOTFRAMEWORK=2.9.2
  - ROBOT_OPTIONS=--dotted
  - INTERPRETER=python2
@@ -62,13 +62,6 @@ matrix:
  - ROBOTFRAMEWORK=2.8.7
  - ROBOT_OPTIONS=
  - INTERPRETER=python2
- - python: "3.4"
- env:
- - BROWSER=chrome
- - SELENIUM=2.53.6
- - ROBOTFRAMEWORK=3.0.4
- - ROBOT_OPTIONS=--dotted
- - INTERPRETER=python3
 before_script:
  - "export DISPLAY=:99.0"
  - "sh -e /etc/init.d/xvfb start"