fix(request): unspecified location goes in body, also for blob

previously a "blob" type without location given would be added as a nested data element which was incorrect.

src/resty/aws/request/build.lua

@@ -187,8 +187,6 @@ local function build_request(operation, config, params)
         if config.protocol == "query" then
           -- no location specified, but protocol is query, so it goes into query
           request.query[name] = param_value
-        elseif member_config.type == "blob" then
-          request.body = param_value
         else
           -- nowhere else to go, so put it in the body (for json and xml)
           body_tbl[name] = param_value