Remove travis-ci

.travis.yml

@@ -1,20 +0,0 @@
-os:
-  - linux
-  - osx
-language: generic
-sudo: required
-dist: bionic
-osx_image: xcode11
-env: SWIFT_VERSION=5.1
-install:
-  - if [ "$TRAVIS_OS_NAME" = "linux" ]; then eval "$(curl -sL https://swiftenv.fuller.li/install.sh)"; fi
-script:
-  - swift package reset
-  - swift build
-  - swift test --enable-code-coverage
-  - if [[ $TRAVIS_OS_NAME == 'osx' ]]; then xcrun llvm-cov show -instr-profile=.build/debug/codecov/default.profdata .build/debug/FirebladeECSPackageTests.xctest/Contents/MacOS/FirebladeECSPackageTests > fireblade_ecs_coverage.txt; fi
- 
-after_success:
-  if [[ $TRAVIS_OS_NAME == 'osx' ]]; then
-    bash <(curl -s https://codecov.io/bash);
-  fi