Remove the orb model

README.md

@@ -154,7 +154,6 @@ to bring it up.
 | [<img src="assets/drone/screenshot1.gif" width="600">](assets/drone/README.md)          | `Viewer pbr drone`        |
 | [<img src="assets/helmet/screenshot1.png" width="600">](assets/helmet/README.md)        | `Viewer pbr helmet`       |
 | [<img src="assets/junkrat/screenshot.gif" width="600">](assets/junkrat/README.md)       | `Viewer pbr junkrat`      |
-| [<img src="assets/orb/screenshot.png" width="600">](assets/orb/README.md)               | `Viewer pbr orb`          |
 | [<img src="assets/ornitier/screenshot.png" width="600">](assets/ornitier/README.md)     | `Viewer pbr ornitier`     |
 | [<img src="assets/ponycar/screenshot2.png" width="600">](assets/ponycar/README.md)      | `Viewer pbr ponycar`      |
 | [<img src="assets/spruit/screenshot1.png" width="600">](assets/spruit/README.md)        | `Viewer pbr sphere`       |

assets/README.md

@@ -19,7 +19,6 @@
 | lighthouse | ![lighthouse](lighthouse/thumbnail.png) | No       | No  |
 | mccree     | ![mccree](mccree/thumbnail.png)         | No       | No  |
 | nier2b     | ![nier2b](nier2b/thumbnail.png)         | No       | No  |
-| orb        | ![orb](orb/thumbnail.png)               | No       | Yes |
 | ornitier   | ![ornitier](ornitier/thumbnail.png)     | No       | Yes |
 | phoenix    | ![phoenix](phoenix/thumbnail.png)       | Yes      | No  |
 | ponycar    | ![ponycar](ponycar/thumbnail.png)       | No       | Yes |