Revert "Add a way to force FRESH_CONNECT to pycurl."

This reverts commit 02340ffb46ef2b06781cd2fe54a51bfa1fba6441.

Setting FRESH_CONNECT did not solve the problem, and the
changes to Tornado are unlikely to be accepted upstream.
Revert it, and try a different solution.

Conflicts:
	tr/http.py

Change-Id: I46e5dd748388cee03fd7900c7d920d33488a66cd
2 files changed