Revert "Add a new known hash to drm"

This reverts commit 992d978c.

Reason for revert: DroidMonitor: Potential culprit for http://b/370983825.
(cherry picked from https://android-review.googlesource.com/q/commit:7268c9aec139e7bdb559983eb18483645ef3c451)
Merged-In: I743bf52b5b25109913fab101f9c0990d8dcd3ee9
Change-Id: I491a5366d92ffdd1f417b80b0de828482ed340c7