C#: Update test expected output.

Author: michaelnebel

csharp/ql/test/query-tests/Dead Code/DeadStoreOfLocal/DeadStoreOfLocal.expected

@@ -1,4 +1,3 @@
-#select
 | DeadStoreOfLocal.cs:13:13:13:20 | Int32 x = ... | This assignment to $@ is useless, since its value is never read. | DeadStoreOfLocal.cs:13:13:13:13 | x | x |
 | DeadStoreOfLocal.cs:20:21:20:25 | ... = ... | This assignment to $@ is useless, since its value is never read. | DeadStoreOfLocal.cs:19:13:19:13 | x | x |
 | DeadStoreOfLocal.cs:45:13:45:20 | Int32 x = ... | This assignment to $@ is useless, since its value is never read. | DeadStoreOfLocal.cs:45:13:45:13 | x | x |
@@ -15,11 +14,8 @@
 | DeadStoreOfLocal.cs:332:9:332:32 | ... = ... | This assignment to $@ is useless, since its value is never read. | DeadStoreOfLocal.cs:328:23:328:23 | b | b |
 | DeadStoreOfLocal.cs:373:13:373:20 | String s = ... | This assignment to $@ is useless, since its value is never read. | DeadStoreOfLocal.cs:373:13:373:13 | s | s |
 | DeadStoreOfLocal.cs:473:20:473:76 | FileStream y = ... | This assignment to $@ is useless, since its value is never read. | DeadStoreOfLocal.cs:473:20:473:20 | y | y |
-| DeadStoreOfLocal.cs:497:9:497:36 | Int32 x2 = ... | This assignment to $@ is useless, since its value is never read. | DeadStoreOfLocal.cs:497:14:497:15 | x2 | x2 |
 | DeadStoreOfLocalBad.cs:7:13:7:48 | Boolean success = ... | This assignment to $@ is useless, since its value is never read. | DeadStoreOfLocalBad.cs:7:13:7:19 | success | success |
 | DeadStoreOfLocalBad.cs:23:32:23:32 | FormatException e | This assignment to $@ is useless, since its value is never read. | DeadStoreOfLocalBad.cs:23:32:23:32 | e | e |
 | DeadStoreOfLocalBad.cs:32:22:32:22 | String s | This assignment to $@ is useless, since its value is never read. | DeadStoreOfLocalBad.cs:32:22:32:22 | s | s |
 | DeadStoreOfLocalBad.cs:39:18:39:22 | Int32 i | This assignment to $@ is useless, since its value is never read. | DeadStoreOfLocalBad.cs:39:22:39:22 | i | i |
 | DeadStoreOfLocalBad.cs:49:18:49:25 | String s | This assignment to $@ is useless, since its value is never read. | DeadStoreOfLocalBad.cs:49:25:49:25 | s | s |
-testFailures
-| DeadStoreOfLocal.cs:497:9:497:36 | This assignment to $@ is useless, since its value is never read. | Unexpected result: Alert |