fix: remove or logic in expires default value

Author: jasonzhu

apisix/plugins/authz-keycloak.lua

@@ -319,15 +319,15 @@ end
 
 -- Return access_token expires_in value (in seconds).
 local function authz_keycloak_access_token_expires_in(conf, expires_in)
-    return (expires_in or conf.access_token_expires_in or 300)
-           - 1 - (conf.access_token_expires_leeway or 0)
+    return (expires_in or conf.access_token_expires_in)
+           - 1 - (conf.access_token_expires_leeway)
 end
 
 
 -- Return refresh_token expires_in value (in seconds).
 local function authz_keycloak_refresh_token_expires_in(conf, expires_in)
-    return (expires_in or conf.refresh_token_expires_in or 3600)
-           - 1 - (conf.refresh_token_expires_leeway or 0)
+    return (expires_in or conf.refresh_token_expires_in)
+           - 1 - (conf.refresh_token_expires_leeway)
 end