Remove unused Spree translation checker

If we wanted similar functionality in the future then we would implement
it differently. At the moment, it's just unused code.

spec/lib/spree/i18n_spec.rb

@@ -2,7 +2,6 @@
 
 require 'rspec/expectations'
 require 'spree/i18n'
-require 'support/i18n_translations_checker'
 
 describe "i18n" do
   before do
@@ -28,20 +27,20 @@ describe "i18n" do
   end
 
   it "translates within the spree scope" do
-    expect(Spree.normal_t(:foo)).to eql("bar")
+    expect(Spree.t(:foo)).to eql("bar")
     expect(Spree.translate(:foo)).to eql("bar")
   end
 
   it "translates within the spree scope using a path" do
     allow(Spree).to receive(:virtual_path).and_return('bar')
 
-    expect(Spree.normal_t('.legacy_translation')).to eql("back in the day...")
+    expect(Spree.t('.legacy_translation')).to eql("back in the day...")
     expect(Spree.translate('.legacy_translation')).to eql("back in the day...")
   end
 
   it "raise error without any context when using a path" do
     expect {
-      Spree.normal_t('.legacy_translation')
+      Spree.t('.legacy_translation')
     }.to raise_error
 
     expect {
@@ -50,82 +49,18 @@ describe "i18n" do
   end
 
   it "prepends a string scope" do
-    expect(Spree.normal_t(:foo, scope: "bar")).to eql("bar within bar scope")
+    expect(Spree.t(:foo, scope: "bar")).to eql("bar within bar scope")
   end
 
   it "prepends to an array scope" do
-    expect(Spree.normal_t(:foo, scope: ["bar"])).to eql("bar within bar scope")
+    expect(Spree.t(:foo, scope: ["bar"])).to eql("bar within bar scope")
   end
 
   it "returns two translations" do
-    expect(Spree.normal_t([:foo, 'bar.foo'])).to eql(["bar", "bar within bar scope"])
+    expect(Spree.t([:foo, 'bar.foo'])).to eql(["bar", "bar within bar scope"])
   end
 
   it "returns reasonable string for missing translations" do
     expect(Spree.t(:missing_entry)).to include("<span")
   end
-
-  context "missed + unused translations" do
-    def key_with_locale(key)
-      "#{key} (#{I18n.locale})"
-    end
-
-    before do
-      Spree.used_translations = []
-    end
-
-    context "missed translations" do
-      def assert_missing_translation(key)
-        key = key_with_locale(key)
-        message = Spree.missing_translation_messages.detect { |m| m == key }
-        expect(message).not_to(be_nil, "expected '#{key}' to be missing, but it wasn't.")
-      end
-
-      it "logs missing translations" do
-        Spree.t(:missing, scope: [:else, :where])
-        Spree.check_missing_translations
-        assert_missing_translation("else")
-        assert_missing_translation("else.where")
-        assert_missing_translation("else.where.missing")
-      end
-
-      it "does not log present translations" do
-        Spree.t(:foo)
-        Spree.check_missing_translations
-        expect(Spree.missing_translation_messages).to be_empty
-      end
-
-      it "does not break when asked for multiple translations" do
-        Spree.t [:foo, 'bar.foo']
-        Spree.check_missing_translations
-        expect(Spree.missing_translation_messages).to be_empty
-      end
-    end
-
-    context "unused translations" do
-      def assert_unused_translation(key)
-        key = key_with_locale(key)
-        message = Spree.unused_translation_messages.detect { |m| m == key }
-        expect(message).not_to(be_nil, "expected '#{key}' to be unused, but it was used.")
-      end
-
-      def assert_used_translation(key)
-        key = key_with_locale(key)
-        message = Spree.unused_translation_messages.detect { |m| m == key }
-        expect(message).to(be_nil, "expected '#{key}' to be used, but it wasn't.")
-      end
-
-      it "logs translations that aren't used" do
-        Spree.check_unused_translations
-        assert_unused_translation("bar.legacy_translation")
-        assert_unused_translation("legacy_translation")
-      end
-
-      it "does not log used translations" do
-        Spree.t(:foo)
-        Spree.check_unused_translations
-        assert_used_translation("foo")
-      end
-    end
-  end
 end