Remove version check from provider

There is no difference in handling of the versions, since support for
pre-4.4 was dropped.

Author: Johan De Wit

lib/puppet/provider/mongodb.rb

@@ -191,22 +191,4 @@ def self.mongo_version
   def mongo_version
     self.class.mongo_version
   end
-
-  def self.mongo_4?
-    v = mongo_version
-    !v[%r{^4\.}].nil?
-  end
-
-  def mongo_4?
-    self.class.mongo_4?
-  end
-
-  def self.mongo_5?
-    v = mongo_version
-    !v[%r{^5\.}].nil?
-  end
-
-  def mongo_5?
-    self.class.mongo_5?
-  end
 end

spec/unit/puppet/provider/mongodb_spec.rb

@@ -13,17 +13,15 @@
   end
 
   describe 'mongo version detection' do
-    v = {
-      '4.x.x' => { '26' => false, '4' => true, '5' => false },
-      '5.x.x' => { '26' => false, '4' => false, '5' => true },
-      'x.x.x' => { '26' => false, '4' => false, '5' => false }
-    }
+    v = [
+      '4.x.x',
+      '5.x.x',
+      'x.x.x'
+    ]
 
-    v.each do |key, results|
+    v.each do |key|
       it "version detection for [#{key}]" do
         allow(provider_class).to receive(:mongo_eval).with('db.version()').and_return(key)
-        expect(provider_class.mongo_4?).to be results['4']
-        expect(provider_class.mongo_5?).to be results['5']
       end
     end
   end