Drop removed OsTest.test_setgroups() from libcore_failures.txt

This test is dropped by another CL in this topic.

Bug: 77599196
Test: Treehugger

(cherry picked from commit bff3055520380d6ca446f6ea9a59caae759d12a6)

Change-Id: Id032384a20e6d3cdf29009cd4e500b21730a2b27
diff --git a/tools/libcore_failures.txt b/tools/libcore_failures.txt
index 68aeedd..60aac3c 100644
--- a/tools/libcore_failures.txt
+++ b/tools/libcore_failures.txt
@@ -214,12 +214,5 @@
   description: "java.io.IOException: Error writing ASN.1 encoding",
   result: EXEC_FAILED,
   names: ["libcore.javax.crypto.spec.AlgorithmParametersTestGCM#testEncoding"]
-},
-{
-  description: "Failure only on device. Blacklist it temporarily",
-  result: EXEC_FAILED,
-  modes: [device],
-  bug: 69023954,
-  names: ["libcore.libcore.io.OsTest#test_setgroups"]
 }
 ]