Remove unused imports from BoyerMooreTest (#5012)

Author: vil02

src/test/java/com/thealgorithms/others/BoyerMooreTest.java

@@ -1,9 +1,7 @@
 package com.thealgorithms.others;
-import static org.junit.jupiter.api.Assertions.assertThrows;
 
 import java.util.stream.Stream;
 import org.junit.jupiter.api.Assertions;
-import org.junit.jupiter.api.Test;
 import org.junit.jupiter.params.ParameterizedTest;
 import org.junit.jupiter.params.provider.Arguments;
 import org.junit.jupiter.params.provider.MethodSource;