GC: Simplify expression

Avoid converting path to file to then reconvert it to path.

Signed-off-by: Hector Oswaldo Caballero <hector.caballero@ericsson.com>
Change-Id: I6a8c3ca9b83bf9b0eead9506938f5d68b27a76f5

org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/GC.java

@@ -954,7 +954,7 @@ public class GC {
 			} else {
 				if (base == null || !n.startsWith(base)) {
 					try {
-						Files.delete(FileUtils.toPath(new File(packDir.toFile(), n)));
+						Files.delete(packDir.resolve(n));
 					} catch (IOException e) {
 						LOG.error(e.getMessage(), e);
 					}