mtd: blkdevs: remove dead code
mtd: blkdevs: remove dead code

The only exit (break) from the preceding loop is nested within a
condition which yields req == NULL. This code is dead.

Coverity CID #752669

Signed-off-by: Brian Norris <ac73eed4b8a8c9127255a2696c52b2e7503720b8@gmail.com>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs