remove invalid loading screen tips. create a new one

customize.dist/translations/messages.js

@@ -685,13 +685,12 @@ define(function () {
 
     // Tips
     out.tips = {};
-    out.tips.lag = "The green icon in the upper right shows the quality of your internet connection to the CryptPad server.";
     out.tips.shortcuts = "`ctrl+b`, `ctrl+i` and `ctrl+u` are quick shortcuts for bold, italic and underline.";
     out.tips.indent = "In numbered and bulleted lists, you can use tab or shift+tab to quickly increase or decrease indentation.";
-    out.tips.title = "You can set the title of your pad by clicking the top center.";
     out.tips.store = "Every time you visit a pad, if you're logged in it will be saved to your CryptDrive.";
     out.tips.marker = "You can highlight text in a pad using the \"marker\" item in the styles dropdown menu.";
     out.tips.driveUpload = "Registered users can upload encrypted files by dragging and dropping them into their CryptDrive.";
+    out.tips.filenames = "You can rename files in your CryptDrive, this name is just for you.";
 
     out.feedback_about = "If you're reading this, you were probably curious why CryptPad is requesting web pages when you perform certain actions";
     out.feedback_privacy = "We care about your privacy, and at the same time we want CryptPad to be very easy to use.  We use this file to figure out which UI features matter to our users, by requesting it along with a parameter specifying which action was taken.";