Remove incorrect references in License.md

LICENSE.md

@@ -7,14 +7,12 @@ This project includes a mix of the following:
 
 This site is based on the Draft U.S. Web Design Standards (WDS), which also
 includes works under the SIL Open Font License, MIT license, and public
-domain. Files from the WDS are in `_sass/_libs/wds/`, and the full license
-details for those assets are described in the [WDS license
-file](https://github.com/18F/web-design-standards/blob/staging/LICENSE.md).
+domain. The full license details for those assets are described in the
+[WDS license file](https://github.com/18F/web-design-standards/blob/staging/LICENSE.md).
 
 This site also includes a number of images that have various copyright
-statuses, including Creative Commons licenses and public domain. These images
-are in the `assets` directory, and license details are available on the posts
-and pages that display the images.
+statuses, including Creative Commons licenses and public domain. License
+details are available on the posts and pages that display the images.
 
 ## The rest of this project is in the worldwide public domain