device-crash-test: Remove fixed isa-fdc entry

Fixed by commit b3da5513 ("fdc: Exit if ISA controller does not support DMA", 2018-03-16).
Signed-off-by: NThomas Huth <thuth@redhat.com>
Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>

scripts/device-crash-test

@@ -217,7 +217,6 @@ ERROR_WHITELIST = [
     {'exitcode':-6, 'log':r"Object .* is not an instance of type generic-pc-machine", 'loglevel':logging.ERROR},
     {'exitcode':-6, 'log':r"Object .* is not an instance of type e500-ccsr", 'loglevel':logging.ERROR},
     {'exitcode':-6, 'log':r"vmstate_register_with_alias_id: Assertion `!se->compat \|\| se->instance_id == 0' failed", 'loglevel':logging.ERROR},
-    {'exitcode':-6, 'device':'isa-fdc', 'loglevel':logging.ERROR, 'expected':True},
     {'exitcode':-11, 'device':'isa-serial', 'loglevel':logging.ERROR, 'expected':True},
     {'exitcode':-11, 'device':'mioe3680_pci', 'loglevel':logging.ERROR, 'expected':True},
     {'exitcode':-11, 'device':'pcm3680_pci', 'loglevel':logging.ERROR, 'expected':True},