Revert "Use new RemoveUnusedImports constructor"

This reverts commit 32c3a42.

Author: knutwannheden

src/main/java/org/openrewrite/java/testing/assertj/JUnitFailToAssertJFail.java

@@ -112,7 +112,7 @@ public J.MethodInvocation visitMethodInvocation(J.MethodInvocation method, Execu
                         );
             }
 
-            doAfterVisit(new RemoveUnusedImports(false).getVisitor());
+            doAfterVisit(new RemoveUnusedImports().getVisitor());
             doAfterVisit(new UnqualifiedMethodInvocations());
             return m;
         }