Fix swagger security parts (go-gitea#4236)

Author: sapk

public/swagger.v1.json

@@ -7864,24 +7864,16 @@
   },
   "security": [
     {
-      "BasicAuth": [
-        "[]"
-      ]
+      "BasicAuth": []
     },
     {
-      "Token": [
-        "[]"
-      ]
+      "Token": []
     },
     {
-      "AccessToken": [
-        "[]"
-      ]
+      "AccessToken": []
     },
     {
-      "AuthorizationHeaderToken": [
-        "[]"
-      ]
+      "AuthorizationHeaderToken": []
     }
   ]
 }

routers/api/v1/api.go

@@ -20,10 +20,10 @@
 //     - text/html
 //
 //     Security:
-//     - BasicAuth: []
-//     - Token: []
-//     - AccessToken: []
-//     - AuthorizationHeaderToken: []
+//     - BasicAuth :
+//     - Token :
+//     - AccessToken :
+//     - AuthorizationHeaderToken :
 //
 //     SecurityDefinitions:
 //     BasicAuth: