chore(docs): remove conditional for deprecationString

Author: aBurmeseDev

smithy-typescript-codegen/src/main/java/software/amazon/smithy/typescript/codegen/TypeScriptWriter.java

@@ -226,8 +226,8 @@ boolean writeShapeDocs(Shape shape, UnaryOperator<String> preprocessor) {
                         DeprecatedTrait deprecatedTrait = shape.expectTrait(DeprecatedTrait.class);
                         String deprecationMessage = deprecatedTrait.getMessage()
                             .map(msg -> " " + msg) 
-                            .orElse(" see description");
-                        String deprecationString = deprecatedTrait.getMessage().isPresent() ? "@deprecated" + deprecationMessage : "@deprecated"; 
+                            .orElse(" see description.");
+                        String deprecationString = "@deprecated " + deprecationMessage; 
                         docs = docs + "\n\n" + deprecationString;
                     }
                     docs = preprocessor.apply(docs);