Removed unused variables

features/custom_commands.lua

@@ -9,7 +9,6 @@ local Server = require 'features.server'
 local Timestamp = require 'utils.timestamp'
 local Command = require 'utils.command'
 local string_length = string.len
-local string_repeat = string.rep
 local format = string.format
 
 --local Antigrief = require 'features.antigrief'

utils/command.lua

@@ -5,7 +5,6 @@ local format = string.format
 local next = next
 local serialize = serpent.line
 local match = string.match
-local lower = string.lower
 
 local Command = {}