Delete .travis.yml

.travis.yml

@@ -1,18 +0,0 @@
-dist: xenial
-language: csharp
-solution: encompass-cs.sln
-mono: none
-dotnet: 2.1.502
-
-script:
-  - dotnet restore
-  - dotnet build -c Release
-  - dotnet test -c Release
-
-deploy:
-  skip_cleanup: true
-  provider: script
-  script: dotnet nuget push ./encompass-cs/bin/Release/EncompassECS.Framework.*.nupkg -k $API_KEY -s $NUGET_SOURCE
-  on:
-    tags: true
-    repo: encompass-ecs/encompass-cs