Do not check for self._downloader being None in several places

youtube-dl

@@ -1043,7 +1043,6 @@ class MetacafeIE(InfoExtractor):
 			return
 
 		# At this point we have a new video
-		if self._downloader is not None:
 		self._downloader.increment_downloads()
 
 		simple_title = mobj.group(2).decode('utf-8')
@@ -1136,7 +1135,6 @@ class DailymotionIE(InfoExtractor):
 			return
 
 		# At this point we have a new video
-		if self._downloader is not None:
 		self._downloader.increment_downloads()
 		video_id = mobj.group(1)
 
@@ -1224,7 +1222,6 @@ class GoogleIE(InfoExtractor):
 			return
 
 		# At this point we have a new video
-		if self._downloader is not None:
 		self._downloader.increment_downloads()
 		video_id = mobj.group(1)
 
@@ -1335,7 +1332,6 @@ class PhotobucketIE(InfoExtractor):
 			return
 
 		# At this point we have a new video
-		if self._downloader is not None:
 		self._downloader.increment_downloads()
 		video_id = mobj.group(1)
 
@@ -1420,7 +1416,6 @@ class YahooIE(InfoExtractor):
 			return
 
 		# At this point we have a new video
-		if self._downloader is not None and new_video:
 		self._downloader.increment_downloads()
 		video_id = mobj.group(2)
 		video_extension = 'flv'
@@ -1568,7 +1563,6 @@ class GenericIE(InfoExtractor):
 
 	def _real_extract(self, url):
 		# At this point we have a new video
-		if self._downloader is not None:
 		self._downloader.increment_downloads()
 
 		video_id = url.split('/')[-1]