chore: remove trailing empty line

Author: Lexer11l

slack-api-client/src/main/java/com/slack/api/methods/response/canvases/CanvasesCreateResponse.java

@@ -22,4 +22,4 @@ public class CanvasesCreateResponse implements SlackApiTextResponse {
     private String detail;
     private ResponseMetadata responseMetadata;
 
-}
+}

slack-api-client/src/main/java/com/slack/api/methods/response/canvases/CanvasesEditResponse.java

@@ -20,4 +20,4 @@ public class CanvasesEditResponse implements SlackApiTextResponse {
     private String detail;
     private ResponseMetadata responseMetadata;
 
-}
+}