JE-57881 [6.0-3] Deploy CS docs - removed old versions

Author: Alexey Lazarenko

mkdocs.yml

@@ -60,9 +60,6 @@ pages:
 
 extra:
   versions:
-    1.7.6: 5.7-b6
-    1.7.7: 5.7-b7
-    1.7.8: 5.7-b8
     1.8.1: 5.8-b1
     1.8.2: 5.8-b2
     1.8.4: 5.8-b4