Code formatting

Author: simonlebras

testlib/src/main/java/com/diffplug/spotless/TestProvisioner.java

@@ -23,7 +23,6 @@
 import java.util.Comparator;
 import java.util.HashMap;
 import java.util.Map;
-import java.util.Set;
 import java.util.function.Consumer;
 import java.util.function.Supplier;