Revert "Move `stride` into `cb_handle_t` from `cb_handle_30_t`"

This reverts commit 085b34eab45dc100c5b0d77008792af5248f96f4.

Reason for revert: build break

Change-Id: I9d7433ae434458a31d68ea92a3bc08041aaa9893
3 files changed