Revert "Implement multiPut method."

This patch caused errors WRT content stored within external store.  Rather than caching the content it is caching with content set to the external store url.

This reverts commit dcf9b2fb9522d1eb80a94117710050ea2759e3c7.

Change-Id: I5814d07d58375414c5cef41309eb80d583f735cd
(cherry picked from commit 8736a52eaefb75f806ca738feefd41eec1dbe3c3)
Merge "Revert "Implement multiPut method."" into wmf/1.24wmf2