Update existing tests so they pass

Author: Owen

jbmc/regression/jbmc/exception-cleanup/test.desc

@@ -4,11 +4,8 @@ Test.class
 ^EXIT=0$
 ^SIGNAL=0$
 ^VERIFICATION SUCCESSFUL$
-1 remaining after simplification$
+0 remaining after simplification$
 --
 ^warning: ignoring
 --
-The function "unreachable" should be successfully noted as unreachable by symex,
-but the final uncaught-exception test in __CPROVER__start is not yet decidable
-in symex, as it requires symex to note that within a catch block
-@inflight_exception is definitely *not* null, which it can't just yet.
+The function "unreachable" should be successfully noted as unreachable by symex.

jbmc/regression/jbmc/exception-cleanup/vccs.desc

@@ -3,8 +3,6 @@ Test.class
 --function Test.main --show-vcc
 ^EXIT=0$
 ^SIGNAL=0$
-file Test\.java line 6 function java::Test.main:\(I\)V
-no uncaught exception
 --
 file Test\.java line 42 function java::Test\.unreachable:\(\)V bytecode-index 5
 assertion at file Test\.java line 42 function java::Test\.unreachable:\(\)V bytecode-index 5