Revert "Fix leak of arenas_cache in tsd cleanup."

This reverts commit 020b64f6a95b866c86d18a110e58aad4ab74ae30.

Bug: 26807329

(cherry picked from commit 639da5fd139d7033d893c4b35a9cd22b522960c3)

Change-Id: I5d5981da62fccc409e71501b2173bde58f493cca
1 file changed