[ie/cineverse] Add extractors (#8146)

Also removes AsianCrushIE and AsianCrushPlaylistIE (URLs do not work anymore & old IDs are unavailable).

Closes #8109
Authored by: garret1317

yt_dlp/extractor/_extractors.py

@@ -137,10 +137,6 @@ from .arte import (
     ArteTVCategoryIE,
 )
 from .arnes import ArnesIE
-from .asiancrush import (
-    AsianCrushIE,
-    AsianCrushPlaylistIE,
-)
 from .atresplayer import AtresPlayerIE
 from .atscaleconf import AtScaleConfEventIE
 from .atttechchannel import ATTTechChannelIE
@@ -358,6 +354,10 @@ from .chirbit import (
 from .cinchcast import CinchcastIE
 from .cinemax import CinemaxIE
 from .cinetecamilano import CinetecaMilanoIE
+from .cineverse import (
+    CineverseIE,
+    CineverseDetailsIE,
+)
 from .ciscolive import (
     CiscoLiveSessionIE,
     CiscoLiveSearchIE,