Remove some forced dependency versioning

.github/workflows/ruby.yml

@@ -13,7 +13,7 @@ jobs:
         ruby-version: 2.6.x
     - name: Build and test with Rake
       run: |
-        gem install bundler -v 1.16
+        gem install bundler
         bundle install --jobs 4 --retry 3
         bundle exec rubocop
 
@@ -31,7 +31,7 @@ jobs:
         ruby-version: ${{ matrix.ruby_version }}
     - name: Build and test with Rake
       run: |
-        gem install bundler -v 1.16
+        gem install bundler
         bundle install --jobs 4 --retry 3
         bundle exec rspec
 

psenv.gemspec

@@ -20,7 +20,6 @@ Gem::Specification.new do |spec|
   spec.executables   = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
   spec.require_paths = ["lib"]
 
-  spec.add_development_dependency "bundler", "~> 1.16"
   spec.add_development_dependency "pry"
   spec.add_development_dependency "rake", "~> 10.0"
   spec.add_development_dependency "rspec", "~> 3.0"

spec/rails/Gemfile

@@ -1,8 +1,6 @@
 source 'https://rubygems.org'
 git_source(:github) { |repo| "https://github.com/#{repo}.git" }
 
-ruby '2.6.3'
-
 # Bundle edge Rails instead: gem 'rails', github: 'rails/rails'
 gem 'rails', '~> 6.0.0'
 # Use Puma as the app server