remove unused location ___http_call

gateway/conf.d/apicast.conf

@@ -10,49 +10,6 @@ lua_check_client_abort on;
 # ssl_session_fetch_by_lua_block { require('apicast.executor').call() }
 # ssl_session_store_by_lua_block { require('apicast.executor').call() }
 
-location = /___http_call {
-  internal;
-
-  set $url '';
-
-  set $proxy_pass '';
-  set $host_header '';
-  set $connection_header 'close';
-  set $options '';
-  set $grant_type '';
-
-  proxy_pass $proxy_pass;
-  proxy_pass_request_headers off;
-  proxy_pass_request_body on;
-  proxy_ssl_name $host_header;
-  proxy_http_version 1.1;
-
-  proxy_set_header Host $host_header;
-  proxy_set_header Connection $connection_header;
-  proxy_set_header X-Real-IP  $remote_addr;
-  proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
-  proxy_set_header X-3scale-User-Agent $deployment;
-  proxy_set_header X-3scale-Version $version;
-  proxy_set_header User-Agent $user_agent;
-  proxy_set_header X-3scale-OAuth2-Grant-Type $grant_type;
-  proxy_set_header 3scale-options $options;
-
-  # Hack for having a valid openresty config and valid liquid templating
-  #{% if opentracing_forward_header == nil or opentracing_forward_header == empty %}
-  #   {% assign opentracing_forward_header = "uber-trace-id" %}
-  #{% endif %}
-  #{% if opentracing_tracer != nil or opentracing_forward_header != nil %}
-  #   {% capture proxy_set_header_opentracing %}
-  #{#} proxy_set_header {{opentracing_forward_header}} $http_{{ opentracing_forward_header | tostring | replace: "-","_" }};
-  #   {% endcapture %}
-  #   {{ proxy_set_header_opentracing | replace: "#{#}", "" }}
-  #{% endif %}
-
-  rewrite_by_lua_block {
-    require('resty.http_ng.backend.ngx'):resolver()
-  }
-}
-
 location @out_of_band_authrep_action {
   internal;