Remove "cmsuser" from configuration

Author: gollux

cms/conf.py

@@ -94,7 +94,6 @@ def __init__(self):
         self.async_config = async_config
 
         # System-wide
-        self.cmsuser = "cmsuser"
         self.temp_dir = "/tmp"
         self.backdoor = False
         self.file_log_debug = False

config/cms.sample.toml

@@ -7,9 +7,6 @@ temp_dir = "/tmp"
 # Whether to have a backdoor (see doc for the risks).
 backdoor = false
 
-# The user/group that CMS will be run as.
-cmsuser = "cmsuser"
-
 ############
 # Database #
 ############