Remove asserts from decode.c.
Remove asserts from decode.c.

Disassembling an invalid instruction should not exit the program; it
should instead return an error and allow the application to decide
whether or not to abort as a result of the error.

Signed-off-by: Tim Abbott <d0224c9164b19e926c250294e7a569c6d5ad5163@mit.edu>

linux-kernel-live-patching/ksplice-ud,linux-kernel-live-patching/ksplice-ud,linux-kernel-live-patching/ksplice-ud,linux-kernel-live-patching/ksplice-ud