delete getDefaultEnv and getValueEnv

src/server/models/config.js

@@ -129,12 +129,6 @@ module.exports = function(crowi) {
     };
   }
 
-  function getDefaultEnv() {
-    return {
-      'USER_UPPER_LIMIT': 0,
-    };
-  }
-
   function getValueForCrowiNS(config, key) {
     // return the default value if undefined
     if (undefined === config.crowi || undefined === config.crowi[key]) {
@@ -153,13 +147,6 @@ module.exports = function(crowi) {
     return config.markdown[key];
   }
 
-  function getValueEnv(crowi, key) {
-    if (null == crowi.env || null == crowi.env[key]) {
-      return getDefaultEnv()[key];
-    }
-    return crowi.env[key];
-  }
-
   configSchema.statics.getRestrictGuestModeLabels = function() {
     var labels = {};
     labels[SECURITY_RESTRICT_GUEST_MODE_DENY]     = 'security_setting.guest_mode.deny';
@@ -625,7 +612,12 @@ module.exports = function(crowi) {
 
   configSchema.statics.userUpperLimit = function(crowi) {
     const key = 'USER_UPPER_LIMIT';
-    return Number(getValueEnv(crowi, key));
+    const env = crowi.env[key];
+
+    if (undefined === crowi.env || undefined === crowi.env[key]) {
+      return 0;
+    }
+    return Number(env);
   };
 
   /*