Remove onload stuff

Now that we are lazy loading the column check we don't need this stuff I believe.

Author: jnunemaker

lib/flipper/adapters/active_record.rb

@@ -8,36 +8,33 @@ module Adapters
     class ActiveRecord
       include ::Flipper::Adapter
 
-      ActiveSupport.on_load(:active_record) do
-        # Abstract base class for internal models
-        class Model < ::ActiveRecord::Base
-          self.abstract_class = true
-        end
+      class Model < ::ActiveRecord::Base
+        self.abstract_class = true
+      end
 
-        # Private: Do not use outside of this adapter.
-        class Feature < Model
-          self.table_name = [
-            Model.table_name_prefix,
-            "flipper_features",
-            Model.table_name_suffix,
-          ].join
+      # Private: Do not use outside of this adapter.
+      class Feature < Model
+        self.table_name = [
+          Model.table_name_prefix,
+          "flipper_features",
+          Model.table_name_suffix,
+        ].join
 
-          has_many :gates, foreign_key: "feature_key", primary_key: "key"
+        has_many :gates, foreign_key: "feature_key", primary_key: "key"
 
-          validates :key, presence: true
-        end
+        validates :key, presence: true
+      end
 
-        # Private: Do not use outside of this adapter.
-        class Gate < Model
-          self.table_name = [
-            Model.table_name_prefix,
-            "flipper_gates",
-            Model.table_name_suffix,
-          ].join
+      # Private: Do not use outside of this adapter.
+      class Gate < Model
+        self.table_name = [
+          Model.table_name_prefix,
+          "flipper_gates",
+          Model.table_name_suffix,
+        ].join
 
-          validates :feature_key, presence: true
-          validates :key, presence: true
-        end
+        validates :feature_key, presence: true
+        validates :key, presence: true
       end
 
       VALUE_TO_TEXT_WARNING = <<-EOS
@@ -58,7 +55,6 @@ class Gate < Model
       # Allowing the overriding of the default feature/gate classes means you
       # can roll your own tables and what not, if you so desire.
       def initialize(options = {})
-        ::ActiveRecord::Base
         @name = options.fetch(:name, :active_record)
         @feature_class = options.fetch(:feature_class) { Flipper::Adapters::ActiveRecord::Feature }
         @gate_class = options.fetch(:gate_class) { Flipper::Adapters::ActiveRecord::Gate }