Merge branch 'dev' into 'dev'

Remove unneccessary fetch_image_from_url() function

See merge request hubzilla/core!1393

include/photos.php

@@ -1011,23 +1011,3 @@ function profile_photo_set_profile_perms($uid, $profileid = 0) {
 		}
 	}
 }
-
-function fetch_image_from_url($url,&$mimetype) {
-
-	$redirects = 0;
-	$x = z_fetch_url($url,true,$redirects,[ 'novalidate' => true ]);
-	if($x['success']) {
-		$hdrs = [];
-		$h = explode("\n",$x['header']);
-		foreach ($h as $l) {
-			list($k,$v) = array_map("trim", explode(":", trim($l), 2));
-			$hdrs[strtolower($k)] = $v;
-		}
-		if (array_key_exists('content-type', $hdrs))
-			$mimetype = $hdrs['content-type'];
-
-		return $x['body'];
-	}
-
-	return EMPTY_STR;
-}