Drop dstack config

Author: r4victor

docs/docs/guides/dstack-sky.md

@@ -5,7 +5,7 @@ sign up with [dstack Sky](../guides/dstack-sky.md).
 
 ### Set up the CLI
 
-If you've signed up, open your project settings, and copy the `dstack config` command to point the CLI to the project.
+If you've signed up, open your project settings, and copy the `dstack project add` command to point the CLI to the project.
 
 ![](https://raw.githubusercontent.com/dstackai/static-assets/main/static-assets/images/dstack-sky-project-config.png){ width=800 }
 

docs/docs/reference/cli/dstack/config.md

@@ -7,7 +7,6 @@
 from dstack._internal.cli.commands.apply import ApplyCommand
 from dstack._internal.cli.commands.attach import AttachCommand
 from dstack._internal.cli.commands.completion import CompletionCommand
-from dstack._internal.cli.commands.config import ConfigCommand
 from dstack._internal.cli.commands.delete import DeleteCommand
 from dstack._internal.cli.commands.fleet import FleetCommand
 from dstack._internal.cli.commands.gateway import GatewayCommand
@@ -63,7 +62,6 @@ def main():
     subparsers = parser.add_subparsers(metavar="COMMAND")
     ApplyCommand.register(subparsers)
     AttachCommand.register(subparsers)
-    ConfigCommand.register(subparsers)
     DeleteCommand.register(subparsers)
     FleetCommand.register(subparsers)
     GatewayCommand.register(subparsers)