build: remove travis config (#732)

Signed-off-by: Rui Chen <rui@chenrui.dev>

.travis.yml

@@ -1,21 +0,0 @@
-dist: bionic
-language: python
-
-python:
-  - "3.6"
-  - "3.7"
-  - "3.8"  
-
-cache: pip
-
-matrix:
-  fast_finish: true
-before_install:
-  - pip install pytest-cov
-install:
-  - pip install -e ".[dev]"
-script:
-  - python -m pytest tests --cov=.
-after_success:
-  - pip install codecov
-  - codecov

README.md

@@ -4,9 +4,6 @@
 <strong><i>A simple yet powerful tool for downloading anime.</i></strong>
 <br>
 <br>
-<a href="https://travis-ci.com/anime-dl/anime-downloader">
-<img src="https://img.shields.io/travis/com/anime-dl/anime-downloader.svg?style=for-the-badge&logo=Travis%20CI">
-</a>
 <a href="https://codecov.io/gh/anime-dl/anime-downloader">
 <img src="https://img.shields.io/codecov/c/github/anime-dl/anime-downloader.svg?logo=codecov&style=for-the-badge">
 </a>
@@ -62,7 +59,7 @@ Yeah. Me too! That's why this tool exists.
 - Animerush
 - AnimeStar
 - Animevibe
-- Dbanimes 
+- Dbanimes
 - EraiRaws
 - EgyAnime - usually m3u8 (good for streaming, not so much for downloading)
 - GenoAnime