Minor changes to travis build script

Author: mitchell

.travis.yml

@@ -1,18 +1,15 @@
 language: go
 go:
 - 1.x
-- '1.8'
-- 1.10.x
-- master
 install:
 - curl https://raw.githubusercontent.com/golang/dep/master/install.sh | sh
 - dep ensure
 - go get golang.org/x/tools/cmd/cover
 - go get github.com/mattn/goveralls
 script:
 - go test -v -covermode=count -coverprofile=coverage.out
-- "$HOME/gopath/bin/goveralls -coverprofile=coverage.out -service=travis-ci -repotoken
-  $COVERALLS_TOKEN"
+- $HOME/gopath/bin/goveralls -coverprofile=coverage.out -service=travis-ci -repotoken
+  $COVERALLS_TOKEN
 env:
   global:
     secure: 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