Revert "add trunksize as restriction for function parseClearEncryptedSizes()"

This reverts commit aa15fefa.

Reason for revert:
This change aims at fixing b/124777526, but it has led to two new bugs: b/152531488 and b/152541934

Change-Id: I8405ed457370e8e8fcd710d4f068017e669a0bc3