Edit README.md

Author: inunix3

README.md

@@ -23,12 +23,7 @@ support alternate screen, see [Installation](#installation)).
   <img src="screenshots/screenshot_1.png" alt="First screenshot with doubled pipes" width="500">
   <img src="screenshots/screenshot_2.png" alt="Second screenshot with bold pipes" width="500">
   <img src="screenshots/screenshot_3.png" alt="Third screenshot with depth-mode" width="500">
-
-  ^ depth-mode
-
   <img src="screenshots/screenshot_4.png" alt="Fourth screenshot with enabled gradient mode" width="500">
-
-  ^ Gradient
 </p>
 
 ## Installation