Updated docs (#5154)

site/content/en/docs/manual/advanced/shortcuts.md

@@ -37,15 +37,6 @@ Many UI elements have shortcut hints. Put your pointer to a required element to
 |                            | _Image operations_                                                                                       |
 | `Ctrl+R`                   | Change image angle (add 90 degrees)                                                                      |
 | `Ctrl+Shift+R`             | Change image angle (subtract 90 degrees)                                                                 |
-| `Shift+B+=`                | Increase brightness level for the image                                                                  |
-| `Shift+B+-`                | Decrease brightness level for the image                                                                  |
-| `Shift+C+=`                | Increase contrast level for the image                                                                    |
-| `Shift+C+-`                | Decrease contrast level for the image                                                                    |
-| `Shift+S+=`                | Increase saturation level for the image                                                                  |
-| `Shift+S+-`                | Increase contrast level for the image                                                                    |
-| `Shift+G+=`                | Make the grid more visible                                                                               |
-| `Shift+G+-`                | Make the grid less visible                                                                               |
-| `Shift+G+Enter`            | Set another color for the image grid                                                                     |
 |                            | _Operations with objects_                                                                                |
 | `Ctrl`                     | Switch automatic bordering for polygons and polylines during drawing/editing                             |
 | Hold `Ctrl`                | When the shape is active and fix it                                                                      |

site/content/en/docs/manual/basics/workspace.md

@@ -31,14 +31,7 @@ In addition the workspace also has the following functions:
     ![](/images/image068_mapillary_vistas.jpg)
 
   - Adjust `Brightness`/`Contrast`/`Saturation` of too exposed or too
-  dark images using `F3` — color settings (changes displaying settings and not the
-  image itself).
-
-  Shortcuts:
-
-  - `Shift+B+=`/`Shift+B+-` for brightness.
-  - `Shift+C+=`/`Shift+C+-` for contrast.
-  - `Shift+S+=`/`Shift+S+-` for saturation.
+  dark images using color settings (it affects only how a user sees the image, not the image itself).
 
     ![](/images/image164_mapillary_vistas.jpg)