Reference documentation copy edit to the sync and async quick tours

Author: jyemin

docs/reference/content/driver-async/getting-started/quick-tour.md

@@ -202,8 +202,6 @@ method to query the collection.
 
 ### Find the First Document in a Collection
 
-call the first() method on the result of the find() of method
-
 To get the first document in the collection, call the
 [first()]({{< apiref "com/mongodb/async/client/MongoIterable.html#first--">}})
 method on the [find()]({{< apiref "com/mongodb/async/client/MongoCollection.html#find--">}})

docs/reference/content/driver/getting-started/quick-tour.md

@@ -159,8 +159,6 @@ method to query the collection.
 
 ### Find the First Document in a Collection
 
-call the first() method on the result of the find() of method
-
 To get the first document in the collection, call the
 [`first()`]({{< apiref "com/mongodb/client/MongoIterable.html#first--">}})
 method on the [`find()`]({{< apiref "com/mongodb/client/MongoCollection.html#find--">}})