no longer list Singleton and ServiceLocator as anti-pattern, still advise against it in examples

Author: Dominik Liebler

Creational/README.md

@@ -12,5 +12,5 @@ solve this problem by somehow controlling this object creation.
 * [Pool](Pool) [:notebook:](http://en.wikipedia.org/wiki/Object_pool_pattern)
 * [Prototype](Prototype) [:notebook:](http://en.wikipedia.org/wiki/Prototype_pattern)
 * [SimpleFactory](SimpleFactory)
-* [Singleton](Singleton) [:notebook:](http://en.wikipedia.org/wiki/Singleton_pattern) (is considered an anti-pattern! :no_entry:)
+* [Singleton](Singleton) [:notebook:](http://en.wikipedia.org/wiki/Singleton_pattern)
 * [StaticFactory](StaticFactory)

README.md

@@ -51,7 +51,7 @@ The patterns can be structured in roughly three different categories. Please cli
 * [Pool](Creational/Pool) [:notebook:](http://en.wikipedia.org/wiki/Object_pool_pattern)
 * [Prototype](Creational/Prototype) [:notebook:](http://en.wikipedia.org/wiki/Prototype_pattern)
 * [SimpleFactory](Creational/SimpleFactory)
-* [Singleton](Creational/Singleton) [:notebook:](http://en.wikipedia.org/wiki/Singleton_pattern) (is considered an anti-pattern! :no_entry:)
+* [Singleton](Creational/Singleton) [:notebook:](http://en.wikipedia.org/wiki/Singleton_pattern)
 * [StaticFactory](Creational/StaticFactory)
 
 ### [Structural](Structural)
@@ -87,4 +87,4 @@ The patterns can be structured in roughly three different categories. Please cli
 
 * [EAV](More/EAV) [:notebook:](https://en.wikipedia.org/wiki/Entity%E2%80%93attribute%E2%80%93value_model)
 * [Repository](More/Repository)
-* [ServiceLocator](More/ServiceLocator) [:notebook:](http://en.wikipedia.org/wiki/Service_locator_pattern) (is considered an anti-pattern! :no_entry:)
+* [ServiceLocator](More/ServiceLocator) [:notebook:](http://en.wikipedia.org/wiki/Service_locator_pattern)