Remove deprecated "line" event

Author: clue

README.md

@@ -109,19 +109,6 @@ streams.
 You can control various aspects of the console input through the [`Readline`](#readline),
 so read on..
 
-[Deprecated] It will emit a `line` event for every line read from console input.
-The event will contain the input buffer as-is, without the trailing newline.
-You can register any number of event handlers like this:
-
-```php
-// deprecated
-$stdio->on('line', function ($line) {
-    if ($line === 'start') {
-        doSomething();
-    }
-});
-```
-
 ### Readline
 
 The [`Readline`](#readline) class is responsible for reacting to user input and presenting a prompt to the user.

src/Stdio.php

@@ -47,9 +47,6 @@ public function __construct(LoopInterface $loop, ReadableStreamInterface $input
 
             // emit data with trailing newline in order to preserve readable API
             $that->emit('data', array($line . PHP_EOL));
-
-            // emit custom line event for ease of use
-            $that->emit('line', array($line, $that));
         });
 
         // handle all input events (readline forwards all input events)

tests/StdioTest.php

@@ -384,7 +384,6 @@ public function testDataEventWillBeForwarded()
         $stdio = new Stdio($this->loop, $input, $output, $readline);
 
         $stdio->on('data', $this->expectCallableOnceWith("hello\n"));
-        $stdio->on('line', $this->expectCallableOnceWith('hello'));
 
         $readline->emit('data', array('hello'));
     }