Added generating imports and headers to API generator (#467)

Signed-off-by: saimedhi <[email protected]>

utils/templates/overrides/__init__/delete

@@ -1,6 +1,4 @@
 {% extends "base" %}
 {% block request %}
-        doc_type = "_doc"
-
         {{ super()|trim }}
 {% endblock %}

utils/templates/overrides/__init__/exists

@@ -1,6 +1,4 @@
 {% extends "base" %}
 {% block request %}
-        doc_type = "_doc"
-
         {{ super()|trim }}
 {% endblock %}

utils/templates/overrides/__init__/get

@@ -1,6 +1,4 @@
 {% extends "base" %}
 {% block request %}
-        doc_type = "_doc"
-
         {{ super()|trim }}
 {% endblock %}

utils/templates/overrides/__init__/index

@@ -1,7 +1,5 @@
 {% extends "base" %}
 {% block request %}
-        doc_type = "_doc"
-
         return await self.transport.perform_request("POST" if id in SKIP_IN_PATH else "PUT", {% include "url" %}, params=params, headers=headers, body=body)
 {% endblock %}