chore: preview iam removal (#808)

Author: manisha1997

twilio/rest/__init__.py

@@ -23,7 +23,6 @@
     from twilio.rest.events import Events
     from twilio.rest.flex_api import FlexApi
     from twilio.rest.frontline_api import FrontlineApi
-    from twilio.rest.preview_iam import PreviewIam
     from twilio.rest.insights import Insights
     from twilio.rest.intelligence import Intelligence
     from twilio.rest.ip_messaging import IpMessaging
@@ -132,7 +131,6 @@ def __init__(
         self._events: Optional["Events"] = None
         self._flex_api: Optional["FlexApi"] = None
         self._frontline_api: Optional["FrontlineApi"] = None
-        self._preview_iam: Optional["PreviewIam"] = None
         self._insights: Optional["Insights"] = None
         self._intelligence: Optional["Intelligence"] = None
         self._ip_messaging: Optional["IpMessaging"] = None
@@ -277,18 +275,6 @@ def frontline_api(self) -> "FrontlineApi":
             self._frontline_api = FrontlineApi(self)
         return self._frontline_api
 
-    @property
-    def preview_iam(self) -> "PreviewIam":
-        """
-        Access the PreviewIam Twilio Domain
-
-        :returns: PreviewIam Twilio Domain
-        """
-        if self._preview_iam is None:
-            from twilio.rest.preview_iam import PreviewIam
-
-            self._preview_iam = PreviewIam(self)
-        return self._preview_iam
 
     @property
     def insights(self) -> "Insights":