remove ob_clean/flush shit as unneeded hacks from cached image output routines

image.php

@@ -41,8 +41,6 @@
 				header("Content-type: image/png");
 				$stamp = gmdate("D, d M Y H:i:s", filemtime($filename)). " GMT";
 				header("Last-Modified: $stamp", true);
-				ob_clean();   // discard any data in the output buffer (if possible)
-				flush();      // flush headers (if possible)
 				readfile($filename);
 			}
 		} else {

plugins/cache_starred_images/init.php

@@ -62,8 +62,6 @@ class Cache_Starred_Images extends Plugin {
 					header("Content-type: image/png");
 					$stamp = gmdate("D, d M Y H:i:s", filemtime($filename)). " GMT";
 					header("Last-Modified: $stamp", true);
-					ob_clean();   // discard any data in the output buffer (if possible)
-					flush();      // flush headers (if possible)
 					readfile($filename);
 				}
 			} else {