Add EOF newlines where missing (bulk) (#1836)

This should solve issues with people making GitHub PRs and having the web editor messing things up. GitHub Web Editor sucks :(

src/pocketmine/level/generator/noise/Noise.php

@@ -148,4 +148,4 @@ abstract class Noise{
 		$this->offsetY = $y;
 		$this->offsetZ = $z;
 	}
-}
+}

src/pocketmine/level/generator/noise/Perlin.php

@@ -147,4 +147,4 @@ class Perlin extends Noise{
 	public function getNoise2D($x, $y){
 		return $this->getNoise3D($x, $y, 0);
 	}
-}
+}

src/pocketmine/level/generator/noise/Simplex.php

@@ -439,4 +439,4 @@ class Simplex extends Perlin{
 		// Sum up and scale the result to cover the range [-1,1]
 		return 27.0 * (n0 + n1 + n2 + n3 + n4);
 	}*/
-}
+}