chore: remove unused imports in NativeTestMojo

Signed-off-by: jonghoonpark <[email protected]>

Author: dev-jonghoonpark

native-maven-plugin/src/main/java/org/graalvm/buildtools/maven/NativeTestMojo.java

@@ -60,7 +60,6 @@
 import org.eclipse.aether.resolution.DependencyRequest;
 import org.eclipse.aether.resolution.DependencyResolutionException;
 import org.eclipse.aether.resolution.DependencyResult;
-import org.graalvm.buildtools.utils.FileUtils;
 import org.graalvm.buildtools.utils.JUnitUtils;
 import org.graalvm.buildtools.utils.NativeImageConfigurationUtils;
 
@@ -76,7 +75,6 @@
 import java.util.HashSet;
 import java.util.List;
 import java.util.Set;
-import java.util.regex.Pattern;
 import java.util.stream.Collectors;
 import java.util.stream.Stream;