warn consumers if themed styles are misused (p3). fix #1005

packages/react-jss/src/withStyles.js

@@ -42,13 +42,7 @@ const getStyles = <Theme: {}>(styles: Styles<Theme>, theme: Theme, displayName:
   }
   warning(
     styles.length < 1,
-    `Warning: [JSS]: <${displayName} />'s styles function doesn't rely on a theme. We recommend to rewrite it to plain object.\nRead more: https://github.com/cssinjs/jss/blob/master/docs/react-jss.md#basic`
-  )
-  warning(
-    styles.length > 1,
-    `Warning: [JSS]: <${displayName} />'s styles function uses ${
-      styles.length
-    } arguments, but react-jss passes only theme as 1st and only argument. We recommend to rewrite it to take only one argument.\nRead more: https://github.com/cssinjs/jss/blob/master/docs/react-jss.md#theming`
+    `Warning: [JSS]: <${displayName} />'s styles function doesn't rely on a theme. We recommend to rewrite it to plain object. Read more: https://github.com/cssinjs/jss/blob/master/docs/react-jss.md#basic`
   )
 
   return styles(theme)