Fix loading log resources (#177)

Fix logic in case a directory doesn't exist we don't through an
exception, we just skip it

scs2-session-logger/src/main/java/us/ihmc/scs2/session/tools/RobotModelLoader.java

@@ -234,14 +234,13 @@ private static ClassLoader unpackResources(String modelName, byte[] resourceZip)
       {
          while ((ze = zip.getNextEntry()) != null)
          {
-            Path target = resourceDirectory.resolve(ze.getName());
-            Files.deleteIfExists(target);
-
+            // No need to explicitly handle directories, they will be created when copying files.
             if (ze.isDirectory())
-            {
-               Files.createDirectories(target);
                continue;
-            }
+
+            Path target = resourceDirectory.resolve(ze.getName());
+
+            Files.deleteIfExists(target);
 
             if (!Files.exists(target.getParent()))
                Files.createDirectories(target.getParent());