chore: Remove unused linters.

Author: pravic

.travis.yml

@@ -50,8 +50,6 @@ install:
   - if [ "$TRAVIS_OS_NAME" = "osx"   ]; then curl -so "$TRAVIS_BUILD_DIR/sciter-osx-64.dylib" $SDK_PATH/bin.osx/sciter-osx-64.dylib; fi
 
   - go get golang.org/x/lint/golint
-  - go get honnef.co/go/tools/cmd/megacheck
-  - go get github.com/fzipp/gocyclo
 
   - go get -u github.com/GeertJohan/go.rice
   - go get -u github.com/GeertJohan/go.rice/rice