cheets_CTS_P: Remove manual-test filter that is no more needed.

The root cause is already fixed, and they are no more failing on bots
at all. We can just remove these filters.

BUG=b:149065394
TEST=bot

Change-Id: I236cf6e14f4c3bd0b08822425b19fa04cd501eb5
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/autotest/+/2043262
Reviewed-by: Kazuhiro Inaba <kinaba@chromium.org>
Commit-Queue: Kazuhiro Inaba <kinaba@chromium.org>
Tested-by: Kazuhiro Inaba <kinaba@chromium.org>
Auto-Submit: Kazuhiro Inaba <kinaba@chromium.org>
diff --git a/server/site_tests/cheets_CTS_P/manual_tests/multinet.yaml b/server/site_tests/cheets_CTS_P/manual_tests/multinet.yaml
deleted file mode 100644
index 4b7cbfd..0000000
--- a/server/site_tests/cheets_CTS_P/manual_tests/multinet.yaml
+++ /dev/null
@@ -1,2 +0,0 @@
-libcore.java.nio.channels.DatagramChannelMulticastTest#test_joinAnySource_IPv4: [fizz, sentry, celes, cyan, kefka, reks, setzer, wizpig]
-libcore.java.nio.channels.DatagramChannelMulticastTest#test_joinAnySource_multicastLoopOption_IPv4: [fizz, sentry, celes, cyan, kefka, reks, setzer, wizpig]