fix: declined flow

Author: adambkaplan

ships/README.md

@@ -19,18 +19,17 @@ A Shipwright Improvement Proposal (SHIP) is a way to propose, communicate, and c
 
 ```mermaid
 flowchart LR
-  Draft --> Provisional
-  Draft --> Implementable
-  Draft --> Declined
-  Draft --> Withdrawn
-
-  Provisional --> Implementable
-  Provisional --> Declined
-  Provisional --> Replaced
-
-  Implementable --> Implemented
-  Implementable --> Declined
-  Implementable --> Replaced
+  Draft ---> Provisional
+  Draft ---> Implementable
+  Draft ---> Declined
+
+  Provisional ---> Implementable
+  Provisional ---> Declined
+
+  Implementable ---> Implemented
+  Implementable ---> Replaced
+
+  Implemented -.-> Replaced
 ```
 
 ### 0. Draft