[gardening] Remove Crash entries for standalone/io tests that actually pass.

TEST=ci

Change-Id: I3228db7490735dd36265fac6549376a4e83910e9
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/319907
Reviewed-by: Siva Annamalai <asiva@google.com>
Commit-Queue: Alexander Aprelev <aam@google.com>
diff --git a/tests/standalone/standalone_kernel.status b/tests/standalone/standalone_kernel.status
index ca3830c..b9bdcea 100644
--- a/tests/standalone/standalone_kernel.status
+++ b/tests/standalone/standalone_kernel.status
@@ -19,11 +19,6 @@
 
 [ $compiler == dartk && $mode == debug && $runtime == vm ]
 io/file_lock_test: Slow, Pass
-io/raw_socket_test: Crash
-io/socket_finalizer_test: Crash
-io/socket_info_ipv4_test: Crash
-io/socket_info_ipv6_test: Crash
-io/socket_port_test: Crash
 
 [ $compiler == dartk && $mode == debug && $hot_reload ]
 io/web_socket_ping_test: Crash