Clean the repo before during deploy in travis ci

Signed-off-by: Dinesh <[email protected]>

Author: dineshba

.travis.yml

@@ -9,7 +9,7 @@ install: make setup modules
 script: make tests tests-cover-html build
 deploy:
   - provider: script
-    skip_cleanup: true
+    skip_cleanup: false
     script: curl -sL https://git.io/goreleaser | bash
     on:
       tags: true