chore:clean up dependancies

Author: Andrew-Paystack

Gemfile

@@ -6,9 +6,3 @@ source "https://rubygems.org"
 gemspec
 
 gem "irb"
-gem "rake", "~> 13.0"
-
-gem "minitest", "~> 5.16"
-gem "webmock", "~> 3.0"
-
-gem "standard", "~> 1.3"

paystack-ruby.gemspec

@@ -29,4 +29,9 @@ Gem::Specification.new do |spec|
   spec.bindir = "exe"
   spec.executables = spec.files.grep(%r{\Aexe/}) { |f| File.basename(f) }
   spec.require_paths = ["lib"]
+
+  spec.add_development_dependency "rake", "~> 13.0"
+  spec.add_development_dependency "minitest", "~> 5.16"
+  spec.add_development_dependency "webmock", "~> 3.0"
+  spec.add_development_dependency "standard", "~> 1.3"
 end