Remove duplicate step in Multiple presentation destinations tutorial (#3810)

Author: seungwoochoe

Sources/ComposableArchitecture/Documentation.docc/Tutorials/MeetTheComposableArchitecture/02-Navigation/02-MultipleDestinations/02-02-MultipleDestinations.tutorial

@@ -165,16 +165,6 @@
 
         @Code(name: "ContactsFeatures.swift", file: 02-02-02-code-0004.swift, previousFile: 02-02-02-code-0004-previous.swift)
       }
-      
-      Note that this now creates a compilation error letting you know that `ContactsFeature.State`
-      is no longer `Equatable`. This is happening because `Destination.State` is not `Equatable`,
-      and that type is generated by the [`@Reducer`](<doc:ComposableArchitecture/Reducer()>) macro.
-      
-      @Step {
-        Extend the macro-generated `Destination.State` to apply an `Equatable` conformance.
-        
-        @Code(name: "ContactsFeatures.swift", file: 02-02-02-code-0005.swift, previousFile: 02-02-02-code-0005-previous.swift)
-      }
 
       @Step {
         Replace the two action cases that held onto ``ComposableArchitecture/PresentationAction``