fix: remove old redis command from ddev-redis-7, fixes #46 (#47)

Co-authored-by: tyler36 <[email protected]>

Author: tyler36

install.yaml

@@ -29,6 +29,12 @@ post_install_actions:
   - |
     #ddev-description:Remove redis/scripts if there are no files
     rmdir redis/scripts 2>/dev/null || true
+  - |
+    #ddev-nodisplay
+    #ddev-description:Remove old `redis` command from `ddev-redis-7`
+    if grep "#ddev-generated" $DDEV_APPROOT/.ddev/commands/redis/redis > /dev/null 2>&1; then
+      rm -f "$DDEV_APPROOT/.ddev/commands/redis/redis"
+    fi
 
 removal_actions:
   - |