Remove trends

Using-the-API/API.md

@@ -24,7 +24,6 @@ API overview
   - [Search](#search)
   - [Statuses](#statuses)
   - [Timelines](#timelines)
-  - [Trends](#trends)
 - [Entities](#entities)
   - [Account](#account)
   - [Application](#application)
@@ -838,16 +837,6 @@ Returns an array of [Statuses](#status), most recent ones first.
 
 Public and tag timelines do not require authentication.
 
-### Trends
-
-#### Retrieving trending hashtags
-
-    GET /api/v1/trends
-
-Returns an array of [Tag](#tag), sorted by the internal trending algorithm.
-
-Does not require authentication.
-
 ___
 
 ## Entities