avoid uncoverable code by not using gemspec in Gemfile (#33)

.rubocop.yml

@@ -10,7 +10,7 @@ Metrics:
 Style:
   Enabled: false
 
-Gemspec/OrderedDependencies:
+Bundler/OrderedGems:
   Enabled: false
 
 Naming/UncommunicativeMethodParamName:

Gemfile

@@ -2,6 +2,16 @@ source "https://rubygems.org"
 
 git_source(:github) {|repo_name| "https://github.com/#{repo_name}" }
 
-gemspec
+gem 'bundler',  '~> 1.16'
+gem 'rake',     '~> 10.0'
+gem 'minitest', '~> 5.0'
+gem 'rack'
+gem 'slim'
+gem 'haml'
+gem 'benchmark-ips'
+gem 'kalibera'
+gem 'memory_profiler'
+gem 'rubocop', '~> 0.55.0' # needs to be fixed since it constantly adds new cops
+
 
 gem "github-pages", group: :jekyll_plugins

Gemfile.lock

@@ -1,8 +1,3 @@
-PATH
-  remote: .
-  specs:
-    pagy (0.8.1)
-
 GEM
   remote: https://rubygems.org/
   specs:
@@ -287,7 +282,6 @@ DEPENDENCIES
   kalibera
   memory_profiler
   minitest (~> 5.0)
-  pagy!
   rack
   rake (~> 10.0)
   rubocop (~> 0.55.0)

pagy.gemspec

@@ -14,17 +14,6 @@ Gem::Specification.new do |s|
   s.files         = `git ls-files -z`.split("\x0").select{|f| f.start_with?('lib', 'pagy.gemspec', 'LICENSE') }
   s.required_ruby_version = '>= 2.3.0'
 
-  s.add_development_dependency 'bundler',  '~> 1.16'
-  s.add_development_dependency 'rake',     '~> 10.0'
-  s.add_development_dependency 'minitest', '~> 5.0'
-  s.add_development_dependency 'rack'
-  s.add_development_dependency 'slim'
-  s.add_development_dependency 'haml'
-  s.add_development_dependency 'benchmark-ips'
-  s.add_development_dependency 'kalibera'
-  s.add_development_dependency 'memory_profiler'
-  s.add_development_dependency 'rubocop', '~> 0.55.0' # needs to be fixed since it constantly adds new cops
-
   # remove after 1.0
   s.post_install_message = "Pagy CHANGELOG: https://github.com/ddnexus/pagy/blob/master/CHANGELOG.md"
 end