Polish

Author: jvalkeal

spring-shell-core/src/main/java/org/springframework/shell/command/CommandParser.java

@@ -18,12 +18,10 @@
 import java.util.ArrayDeque;
 import java.util.ArrayList;
 import java.util.Arrays;
-import java.util.Collection;
 import java.util.Collections;
 import java.util.Comparator;
 import java.util.Deque;
 import java.util.List;
-import java.util.Set;
 import java.util.stream.Collectors;
 import java.util.stream.Stream;