Revert "feat: upgrade logger (#1265)"

This reverts commit d57d455.

Author: sayomaki

config/prod.exs

@@ -3,17 +3,6 @@ import Config
 # Do not print debug messages in production
 config :logger, level: :info
 
-# Add the CloudWatch logger backend in production
-config :logger, backends: [:console, {Cadet.Logger.CloudWatchLogger, :cloudwatch_logger}]
-
-# Configure CloudWatch Logger
-config :logger, :cloudwatch_logger,
-  level: :info,
-  format: "$time $metadata[$level] $message\n",
-  metadata: [:request_id],
-  log_group: "cadet-logs",
-  log_stream: "#{node()}-#{:os.system_time(:second)}"
-
 # ## SSL Support
 #
 # To get SSL working, you will need to add the `https` key

lib/cadet/logger/cloudwatch_logger.ex

@@ -113,10 +113,6 @@ defmodule Cadet.Mixfile do
       {:exvcr, "~> 0.17", only: :test},
       {:mock, "~> 0.3", only: :test},
 
-      # Dependencies for logger unit testing
-      {:mox, "~> 1.2", only: :test},
-      {:logger_backends, "~> 1.0", only: :test},
-
       # The following are indirect dependencies, but we need to override the
       # versions due to conflicts
       {:jsx, "~> 3.1", override: true},