timers: remove unused Timer.getRepeat()
timers: remove unused Timer.getRepeat()

PR-URL: https://github.com/nodejs/io.js/pull/2256
Reviewed-By: Trevor Norris <9cb5491eb5770dd8e0bf77a8a0335abf5f0488c5@gmail.com>

dreamllq/node,dreamllq/node,dreamllq/node,dreamllq/node,dreamllq/node,dreamllq/node,dreamllq/node,dreamllq/node,dreamllq/node