chore: Delete .travis.yml because of using not Travis CI but GitHub Actions

Fixes: https://github.com/alsa-project/alsa-utils/pull/160
Signed-off-by: Tomohiro IKEDA <tomohiro.ikeda@justincase-tech.com>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>

.gitignore

@@ -1,4 +1,3 @@
-!.travis.yml
 configure
 config.log
 config.cache

.travis.yml

@@ -1,18 +0,0 @@
-sudo: required
-language: c
-before_script:
-  - sudo apt-get --yes install xmlto python-docutils
-  - wget -O /tmp/alsa-lib.tar.gz https://github.com/alsa-project/alsa-lib/archive/master.tar.gz
-  - ls -la /tmp/alsa-lib.tar.gz
-  - tar -xvf /tmp/alsa-lib.tar.gz
-  - cd alsa-lib-master
-  - sed -e 's/-Wunused-const-variable=0//g' < gitcompile > gitcompile.travis
-  - bash gitcompile.travis
-  - sudo make install
-  - cd ..
-  - cp $(whereis gettextize | cut -d ' ' -f 2) gettextize1
-  - sed -e 's-read dummy < /dev/tty--g' < gettextize1 > gettextize
-  - chmod 755 gettextize
-  - sed -e 's-gettextize-./gettextize-g' < gitcompile > gitcompile.travis
-script:
-  - bash -x gitcompile.travis