Revert eager_load option in Container#finalize! (fix #281)

First, this is a breaking change that I failed to foresee. We can discuss re-adding it in a less impactful manner, e.g. setting it to false by default. For now I just roll it back.

lib/dry/system/container.rb

@@ -314,7 +314,7 @@ def finalized?
         # @return [self] frozen container
         #
         # @api public
-        def finalize!(freeze: true, eager_load: true, &)
+        def finalize!(freeze: true, &)
           return self if finalized?
 
           configured!
@@ -324,8 +324,6 @@ def finalize!(freeze: true, eager_load: true, &)
 
             [providers, auto_registrar, manifest_registrar, importer].each(&:finalize!)
 
-            keys.each { resolve(_1) } if eager_load
-
             @__finalized__ = true
 
             self.freeze if freeze

spec/integration/container/auto_registration/memoize_spec.rb

@@ -17,8 +17,6 @@ class Test::Container < Dry::System::Container
             dir.namespaces.add "test", key: nil
             dir.memoize = true
           end
-
-          config.inflector = Dry::Inflector.new { |i| i.acronym("ABC") }
         end
       end
     end
@@ -54,8 +52,6 @@ class Test::Container < Dry::System::Container
               !component.key.match?(/bar/)
             end
           end
-
-          config.inflector = Dry::Inflector.new { |i| i.acronym("ABC") }
         end
       end
     end

spec/unit/container/configuration_spec.rb

@@ -175,29 +175,5 @@ def hooks_trace
         .from([])
         .to [:after_configure]
     end
-
-    it "raises error for undefined constant (due to inflector missing acronym)" do
-      expect {
-        container.configure do |config|
-          config.root = SPEC_ROOT.join("fixtures").realpath
-          config.component_dirs.add "components" do |dir|
-            dir.namespaces.add "test", key: nil
-          end
-        end
-        container.finalize!
-      }.to raise_error(Dry::System::ComponentNotLoadableError)
-    end
-
-    it "does not raises error for undefined constant when eager_load is false" do
-      expect {
-        container.configure do |config|
-          config.root = SPEC_ROOT.join("fixtures").realpath
-          config.component_dirs.add "components" do |dir|
-            dir.namespaces.add "test", key: nil
-          end
-        end
-        container.finalize!(eager_load: false)
-      }.to_not raise_error
-    end
   end
 end