Revert "[HACK] mmc: timeout debugging"

This reverts commit 7e9a3e31cbd8f882da6be8db2e10a6ae0529fe51.

The extra info it provided for b/17640053 did not help:
Timeout failures on flash were only while waiting for the response.
And b/19519961 (error during resume) did not show up.

Change-Id: Ie2f2353b90790dc0ccb27d8735ce65a4c18e0f4f
Signed-off-by: JP Abgrall <jpa@google.com>
6 files changed