Remove empty line

Author: Qbxs

message-index/messages/GHC-59692/index.md

@@ -8,4 +8,4 @@ introduced: 9.6.1
 For type class coherence, at most one instance may be defined for each type for the same type class.
 
 Identical instances should simply be removed.
-If multiple instances for the same type are required, circumventing this restriction is possible by introducing a `newtype` wrapper.
+If multiple instances for the same type are required, circumventing this restriction is possible by introducing a `newtype` wrapper.