omf/templates: Remove Travis from scaffolding

pkg/omf/templates/pkg/.travis.yml

-language: c
-os:
-  - linux
-#  - osx # currently not supported
-sudo: false
-addons:
-  apt:
-    packages:
-    - tree
-    - fish
-before_script:
-  - pwd; tree -h
-  - curl -L git.io/omf | sh
-script:
-  - omf g {{NAME}}
-  - cat $OMF_PATH/pkg/{{NAME}}/test/{{NAME}}.fish

pkg/omf/templates/pkg/README.md

-[![][travis-badge]][travis-link]
 ![][license-badge]
 
 <div align="center">
@@ -36,5 +35,3 @@ $ {{NAME}}
 [omf-link]:       https://www.github.com/oh-my-fish/oh-my-fish
 
 [license-badge]:  https://img.shields.io/badge/license-MIT-007EC7.svg?style=flat-square
-[travis-badge]:   http://img.shields.io/travis/{{USER}}/{{NAME}}.svg?style=flat-square
-[travis-link]:    https://travis-ci.org/{{USER}}/{{NAME}}

pkg/omf/templates/pkg/test/{{NAME}}.fish

-test available {{NAME}}

pkg/omf/templates/themes/README.md

@@ -36,5 +36,3 @@ $ omf u {{NAME}}
 [omf-link]:       https://www.github.com/oh-my-fish/oh-my-fish
 
 [license-badge]:  https://img.shields.io/badge/license-MIT-007EC7.svg?style=flat-square
-[travis-badge]:   http://img.shields.io/travis/{{USER}}/{{NAME}}.svg?style=flat-square
-[travis-link]:    https://travis-ci.org/{{USER}}/{{NAME}}