Remove reduntant returns

EventSource/EventSource.swift

@@ -142,7 +142,7 @@ open class EventSource: NSObject, EventSourceProtocol, URLSessionDataDelegate {
 	}
 
 	public func events() -> [String] {
-		return Array(eventListeners.keys)
+        Array(eventListeners.keys)
 	}
 
     open func urlSession(_ session: URLSession, dataTask: URLSessionDataTask, didReceive data: Data) {

EventSource/EventStreamParser.swift

@@ -22,7 +22,7 @@ final class EventStreamParser {
     }
 
     var currentBuffer: String? {
-        return NSString(data: dataBuffer as Data, encoding: String.Encoding.utf8.rawValue) as String?
+        NSString(data: dataBuffer as Data, encoding: String.Encoding.utf8.rawValue) as String?
     }
 
     func append(data: Data?) -> [Event] {

EventSourceTests/Mock/URLSessionDataTaskMock.swift

@@ -18,7 +18,7 @@ class URLSessionDataTaskMock: URLSessionDataTask {
     }
 
     override var response: URLResponse? {
-        return mockResponse
+        mockResponse
     }
 
 }