docs: removed entry about macos rename (#2848)

Author: raaymax

doc/nvim-tree-lua.txt

@@ -2691,10 +2691,6 @@ configurations for different types of prompts.
 ==============================================================================
  11. OS SPECIFIC RESTRICTIONS                          *nvim-tree-os-specific*
 
-macOS
-- Rename to different case is not possible when using a case insensitive file
-  system.
-
 Windows WSL and PowerShell
 - Trash is synchronized
 - Executable file detection is disabled as this is non-performant and can