Revert "Fix registry for projects with uppercases in path"

This reverts commit 22726942fe.

lib/container_registry/path.rb

@@ -15,7 +15,7 @@ module ContainerRegistry
     LEVELS_SUPPORTED = 3
 
     def initialize(path)
-      @path = path.downcase
+      @path = path
     end
 
     def valid?

spec/lib/container_registry/path_spec.rb

@@ -33,20 +33,10 @@ describe ContainerRegistry::Path do
   end
 
   describe '#to_s' do
-    context 'when path does not have uppercase characters' do
-      let(:path) { 'some/image' }
+    let(:path) { 'some/image' }
 
-      it 'return a string with a repository path' do
-        expect(subject.to_s).to eq 'some/image'
-      end
-    end
-
-    context 'when path has uppercase characters' do
-      let(:path) { 'SoMe/ImAgE' }
-
-      it 'return a string with a repository path' do
-        expect(subject.to_s).to eq 'some/image'
-      end
+    it 'return a string with a repository path' do
+      expect(subject.to_s).to eq path
     end
   end
 
@@ -80,12 +70,6 @@ describe ContainerRegistry::Path do
 
       it { is_expected.to be_valid }
     end
-
-    context 'when path contains uppercase letters' do
-      let(:path) { 'Some/Registry' }
-
-      it { is_expected.to be_valid }
-    end
   end
 
   describe '#has_repository?' do