Revert "Add a new known hash to drm"

This reverts commit 992d978c20d3d4240e1d35e6630eca996bfe5f50.

Reason for revert: DroidMonitor: Potential culprit for http://b/370983825.

Merged-In: I9e90ada03144b49245dc6b55a0fb2fa2eb6f3893
Change-Id: I491a5366d92ffdd1f417b80b0de828482ed340c7
diff --git a/drm/aidl/aidl_api/android.hardware.drm/1/.hash b/drm/aidl/aidl_api/android.hardware.drm/1/.hash
index 9a735e9..886e28c 100644
--- a/drm/aidl/aidl_api/android.hardware.drm/1/.hash
+++ b/drm/aidl/aidl_api/android.hardware.drm/1/.hash
@@ -1,2 +1 @@
 7b4b0a0f36a7a6bb22d2016375e4a9d4a033592f
-3a0197fb44863256da9034c26e721b1eee12d1be