Remove default gems

This reverts commit 1328328.

Author: ledermann

Gemfile

@@ -12,12 +12,6 @@ gem 'csv'
 # Support for encoding and decoding binary data using a Base64 representation. (https://github.com/ruby/base64)
 gem 'base64'
 
-# Provides a simple logging utility for outputting messages. (https://github.com/ruby/logger)
-gem 'logger'
-
-# Class to build custom data structures, similar to a Hash. (https://github.com/ruby/ostruct)
-gem 'ostruct'
-
 group :development, :test do
   # minitest provides a complete suite of testing facilities supporting TDD, BDD, mocking, and benchmarking (https://github.com/minitest/minitest)
   gem 'minitest'

Gemfile.lock

@@ -17,11 +17,9 @@ GEM
     influxdb-client (3.1.0)
     json (2.8.1)
     language_server-protocol (3.17.0.3)
-    logger (1.6.1)
     minitest (5.25.1)
     minitest-silence (0.2.4)
       minitest (~> 5.12)
-    ostruct (0.6.1)
     parallel (1.26.3)
     parser (3.3.6.0)
       ast (~> 2.4.1)
@@ -76,10 +74,8 @@ DEPENDENCIES
   csv
   dotenv
   influxdb-client
-  logger
   minitest
   minitest-silence
-  ostruct
   rake
   rubocop
   rubocop-minitest