Strip empty lines at the end of classes

src/pocketmine/utils/Config.php

@@ -572,5 +572,4 @@ class Config{
 			}
 		}
 	}
-
 }

src/pocketmine/utils/Random.php

@@ -150,5 +150,4 @@ class Random{
 	public function nextBoundedInt(int $bound) : int{
 		return $this->nextInt() % $bound;
 	}
-
 }

src/pocketmine/utils/Terminal.php

@@ -253,5 +253,4 @@ abstract class Terminal{
 
 		return $newString;
 	}
-
 }