📝 Remove the two unnecessary lines from the code snippet (#312)

* Removed unnecessary lines(issue:310)
- # ports:
- # - 6379:6379

* Update docs/installation.md

Co-authored-by: neon_arch <mustafadhuleb53@gmail.com>

---------

Co-authored-by: neon_arch <mustafadhuleb53@gmail.com>
Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>

docs/installation.md

@@ -217,8 +217,6 @@ services:
   # Uncomment the following lines if you are using the `hybrid/latest` or `redis` image.
   # redis:
   #   image: redis:latest
-  #   ports:
-  #     - 6379:6379
 ```
 
 Then make sure to edit the `docker-compose.yml` file as required. After that create a directory `websurfx` in the directory you have placed the `docker-compose.yml` file, and then in the new directory create two new empty files named `allowlist.txt` and `blocklist.txt`. Finally, create a new config file `config.lua` with the default configuration, which looks something like this: