Remove full travis support

.gitmodules

@@ -1,3 +0,0 @@
-[submodule ".travis-support"]
-	path = .travis-support
-	url = https://github.com/kemitix/kemitix-travis-support.git

.travis-support

@@ -1 +0,0 @@
-Subproject commit b8593e541ba9a11447fa9559a83e5f99097ca4d2

.travis.yml

@@ -5,14 +5,4 @@ cache:
   directories:
   - "$HOME/.m2"
 install: true
-script: "./mvnw -B -U clean install"
+script: "mvn -B -U clean install"
-after_success:
-- sh .travis-support/coveralls.sh
-- bash <(curl -s https://codecov.io/bash)
-deploy:
-  provider: script
-  script: sh .travis-support/deploy.sh
-  on:
-    branch: master
-env:
-  global: