Remove placement options now that ansible-collections#1825 covers it …

…already.

plugins/modules/ec2_instance.py

@@ -851,11 +851,6 @@
                     returned: always
                     type: str
                     sample: default
-                host_id:
-                    description: The ID of the Dedicated Host on which the instance resides.
-                    returned: always
-                    type: str
-                    sample: ""
         additional_info:
             description: Reserved.
             returned: always
@@ -1303,16 +1298,6 @@ def build_top_level_options(params):
             spec["Placement"]["GroupName"] = str(params.get("placement_group"))
         else:
             spec.setdefault("Placement", {"GroupName": str(params.get("placement_group"))})
-    if params.get("host_id"):
-        if "Placement" in spec:
-            spec["Placement"]["HostId"] = str(params.get("host_id"))
-        else:
-            spec.setdefault("Placement", {"HostId": str(params.get("host_id"))})
-    if params.get("availability_zone"):
-        if "Placement" in spec:
-            spec["Placement"]["AvailabilityZone"] = str(params.get("availability_zone"))
-        else:
-            spec.setdefault("Placement", {"AvailabilityZone": str(params.get("availability_zone"))})
     if params.get("ebs_optimized") is not None:
         spec["EbsOptimized"] = params.get("ebs_optimized")
     if params.get("instance_initiated_shutdown_behavior"):
@@ -2157,7 +2142,6 @@ def main():
             ),
         ),
         additional_info=dict(type='str'),
-        host_id=dict(type="str"),
     )
     # running/present are synonyms
     # as are terminated/absent