trash: adjust wording, trash-cli: make into an alias of trash (#13635)

* Update trash-cli.md

* Update trash.md

pages/common/trash-cli.md

@@ -1,24 +1,8 @@
 # trash-cli
 
-> A command-line interface to the trashcan APIs.
+> This command is an alias of `trash`.
 > More information: <https://github.com/andreafrancia/trash-cli>.
 
-- Trash specific files and directories into the current trashcan:
+- View documentation for the original command:
 
-`trash-put {{path/to/file_or_directory1 path/to/file_or_directory2 ...}}`
-
-- Remove specific files from the current trashcan:
-
-`trash-rm {{path/to/file_or_directory1 path/to/file_or_directory2 ...}}`
-
-- Empty the current trashcan:
-
-`trash-empty`
-
-- List trashed files and directories in the current trashcan:
-
-`trash-list`
-
-- Restore a specific file or directory by a number from the displayed list from the current trashcan:
-
-`trash-restore`
+`tldr trash`

pages/linux/trash.md

@@ -3,7 +3,7 @@
 > Manage the trashcan/recycling bin.
 > More information: <https://github.com/andreafrancia/trash-cli>.
 
-- Delete a file and send it to the trash:
+- Send a file to the trash:
 
 `trash {{path/to/file}}`