docs: change the unnecessarily mocking tone of the React docs (#1905)

website/docs/tutorials/react.md

@@ -402,15 +402,12 @@ Any expressions are allowed, not just simple variables. The only difference is,
  // Dear Watson,<0/>it's not exactly what I had in my mind.
  ```
 
-Obviously, you can also shoot yourself in the foot. Some expressions are _valid_ and won't throw any error, yet it doesn't make any sense to write:
+Some expressions are _valid_ and won't throw any error, yet it doesn't make any sense to write:
 
 ```jsx
-// Oh, seriously?
 <Trans>{isOpen && <Modal />}</Trans>
 ```
 
-If in doubt, imagine how the final message should look like.
-
 ### Message ID
 
 At this point we're going to explain what message ID is and how to set it manually.