remove redirects

Signed-off-by: AnthonyTsu1984 <wenjia.tu@zilliz.com>

Author: AnthonyTsu1984

default.conf

@@ -353,10 +353,6 @@ server {
         return 301 /docs/setup-whitelist;
     }
 
-    location = /docs/insert-entities {
-        return 301 /docs/insert-update-delete;
-    }
-
     location = /docs/javascript-object-notation-json-1 {
         return 301 /docs/use-json-fields;
     }
@@ -409,10 +405,6 @@ server {
         return 301 /reference/java;
     }
 
-    location = /docs/upsert-entities?_highlight=upsert {
-        return 301 /docs/insert-update-delete;
-    }
-
     location = /docs/faqs-ai-model-integrations {
         return 301 /docs/faq-integrations;
     }