Remove unneeded else condition

Fix Eclipse warning about an else condition block
that wasn't needed.

Change-Id: I5dccfe2830f1867e9d69681f9a2bc329dbc17ddc
diff --git a/src/main/java/com/googlesource/gerrit/modules/cache/chroniclemap/ChronicleMapCacheImpl.java b/src/main/java/com/googlesource/gerrit/modules/cache/chroniclemap/ChronicleMapCacheImpl.java
index 97ecb1c..b08904e 100644
--- a/src/main/java/com/googlesource/gerrit/modules/cache/chroniclemap/ChronicleMapCacheImpl.java
+++ b/src/main/java/com/googlesource/gerrit/modules/cache/chroniclemap/ChronicleMapCacheImpl.java
@@ -181,9 +181,8 @@
         hitCount.increment();
         hotEntries.add((K) objKey);
         return vTimedValue.getValue();
-      } else {
-        invalidate(objKey);
       }
+      invalidate(objKey);
     }
     missCount.increment();
     return null;