chore: remove rvl migrate list (use rvl index listall instead)

Author: nkanu17

docs/user_guide/how_to_guides/migrate-indexes.md

@@ -15,7 +15,7 @@ Add a field to your index in 4 commands:
 
 ```bash
 # 1. See what indexes exist
-rvl migrate list --url redis://localhost:6379
+rvl index listall --url redis://localhost:6379
 
 # 2. Use the wizard to build a migration plan
 rvl migrate wizard --index myindex --url redis://localhost:6379
@@ -43,12 +43,12 @@ docker run -d --name redis -p 6379:6379 redis:8.0
 ## Step 1: Discover Available Indexes
 
 ```bash
-rvl migrate list --url redis://localhost:6379
+rvl index listall --url redis://localhost:6379
 ```
 
 **Example output:**
 ```
-Available indexes:
+Indices:
   1. products_idx
   2. users_idx
   3. orders_idx
@@ -568,7 +568,6 @@ rvl migrate validate \
 
 | Command | Description |
 |---------|-------------|
-| `rvl migrate list` | List all indexes |
 | `rvl migrate wizard` | Build a migration interactively |
 | `rvl migrate plan` | Generate a migration plan |
 | `rvl migrate apply` | Execute a migration |

redisvl/cli/migrate.py

@@ -36,7 +36,6 @@ class Migrate:
             "rvl migrate <command> [<args>]\n",
             "Commands:",
             "\thelper       Show migration guidance and supported capabilities",
-            "\tlist         List all available indexes",
             "\twizard       Interactively build a migration plan and schema patch",
             "\tplan         Generate a migration plan for a document-preserving drop/recreate migration",
             "\tapply        Execute a reviewed drop/recreate migration plan (use --async for large migrations)",
@@ -101,24 +100,13 @@ def helper(self):
   - Changing storage type (hash to JSON)
 
 Commands:
-  rvl migrate list                                  List all indexes
   rvl migrate wizard --index <name>                 Guided migration builder
   rvl migrate plan --index <name> --schema-patch <patch.yaml>
   rvl migrate apply --plan <plan.yaml>
-  rvl migrate validate --plan <plan.yaml>"""
-        )
+  rvl migrate validate --plan <plan.yaml>
 
-    def list(self):
-        parser = argparse.ArgumentParser(
-            usage="rvl migrate list [--host <host> --port <port> | --url <redis_url>]"
+  Tip: use 'rvl index listall' to see available indexes."""
         )
-        parser = add_redis_connection_options(parser)
-        args = parser.parse_args(sys.argv[3:])
-        redis_url = create_redis_url(args)
-        indexes = list_indexes(redis_url=redis_url)
-        print("Available indexes:")
-        for position, index_name in enumerate(indexes, start=1):
-            print(f"{position}. {index_name}")
 
     def wizard(self):
         parser = argparse.ArgumentParser(