ErrorInfo and CycleInfo don't need to be serializable
RELNOTES:
--
MOS_MIGRATED_REVID=104341630
diff --git a/src/main/java/com/google/devtools/build/skyframe/CycleInfo.java b/src/main/java/com/google/devtools/build/skyframe/CycleInfo.java
index a410ec5..3c312e4 100644
--- a/src/main/java/com/google/devtools/build/skyframe/CycleInfo.java
+++ b/src/main/java/com/google/devtools/build/skyframe/CycleInfo.java
@@ -20,7 +20,6 @@
import com.google.common.collect.ImmutableList;
import com.google.common.collect.Iterables;
-import java.io.Serializable;
import java.util.HashSet;
import java.util.Objects;
import java.util.Set;
@@ -30,7 +29,7 @@
* head of path to the cycle should be the value itself, or, if the value is actually in the cycle,
* the cycle should start with the value.
*/
-public class CycleInfo implements Serializable {
+public class CycleInfo {
private final ImmutableList<SkyKey> cycle;
private final ImmutableList<SkyKey> pathToCycle;