Update PULL_REQUEST_TEMPLATE.md

Author: miroslavaivanova

Diff for: .github/PULL_REQUEST_TEMPLATE.md

@@ -55,9 +55,6 @@ Phrases:
 `test cli-device`: Test for `tns run` on real devices
 `test cli-debug`: Tests for `tns debug`
 `test cli-run`: Tests for `tns run`
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 [CLA]: http://www.nativescript.org/cla