Revert "Fix bug with smaller width bigger size"

Revert "Fix bug with smaller width bigger size"

This reverts commit 5b530fc962bcb8a51bbf03f5fbc2912f21b86e70.

This fixes memory related fuzzer failures in the decoder.

Bug: webm:1642
Bug: oss-fuzz:48609
Bug: oss-fuzz:48629
Bug: oss-fuzz:48632
Bug: oss-fuzz:48638
Bug: oss-fuzz:48639
Bug: oss-fuzz:48651
Bug: oss-fuzz:48657
Bug: oss-fuzz:48659
Bug: oss-fuzz:48660
Bug: oss-fuzz:48661
Bug: oss-fuzz:48680
Bug: oss-fuzz:48686
Bug: oss-fuzz:48697
Bug: oss-fuzz:48706
Bug: oss-fuzz:48712
Bug: oss-fuzz:48717
Bug: oss-fuzz:48728
Bug: oss-fuzz:48732
Bug: oss-fuzz:48780
Bug: oss-fuzz:48781
Bug: oss-fuzz:48782
Bug: oss-fuzz:48785
Change-Id: I67a8539a3083f00eec1164fef5c6a8bc209f91fc