CheckerUuidTest: Remove unused import

Change-Id: I762e2da89844861f81a0a7cbaa5791301b58cb10
diff --git a/javatests/com/google/gerrit/plugins/checks/CheckerUuidTest.java b/javatests/com/google/gerrit/plugins/checks/CheckerUuidTest.java
index 79c6394..ebbc611 100644
--- a/javatests/com/google/gerrit/plugins/checks/CheckerUuidTest.java
+++ b/javatests/com/google/gerrit/plugins/checks/CheckerUuidTest.java
@@ -17,7 +17,6 @@
 import static com.google.common.truth.OptionalSubject.optionals;
 import static com.google.common.truth.Truth.assertThat;
 import static com.google.common.truth.Truth.assertWithMessage;
-import static com.google.common.truth.Truth8.assertThat;
 import static com.google.gerrit.plugins.checks.CheckerUuid.MAX_SCHEME_LENGTH;
 import static java.util.stream.Collectors.joining;