Remove redis-cache volume (#1555)

* Remove redis-cache volume

* remove from docs

* ci: fix pre-commit

---------

Co-authored-by: Revant Nandgaonkar <revant.one@gmail.com>

docs/setup_for_linux_mac.md

@@ -175,8 +175,6 @@ services:
     deploy:
       restart_policy:
         condition: on-failure
-    volumes:
-      - redis-cache-data:/data
 
   scheduler:
     image: frappe/erpnext:v15
@@ -207,7 +205,6 @@ services:
 volumes:
   db-data:
   redis-queue-data:
-  redis-cache-data:
   sites:
   logs:
 ```