removed old hidden "project urls" setting

HISTORY.md

@@ -36,7 +36,8 @@
     * blocked xhr requests to from Snap! to s.b.e
     * the "message" reporter and watcher in the control category has been deprecated and moved to dev mode for backwards compatibility
     * removed old hidden "prefer smooth animations" setting (no longer used, old projects will continue to work just fine)
-    * removed old hidden "virtual keyboard" setting
+    * removed old hidden "virtual keyboard" setting (was no longer used for the last years)
+    * removed old hidden "project urls" setting
 * **Notable Fixes:**
     * made scrollbars in the wardrobe and jukebox more responsive
     * fixed centering of menus, thanks, Brian Broll!
@@ -64,6 +65,7 @@
 * gui, objects, threads, store, translations: Removed old hidden "prefer smooth animations" setting
 * gui: removed experimental hidden "add scenes" option from the settings menus
 * gui, translations: removed old hidden "virtual keyboard" setting
+* gui: removed old hidden "project urls" setting
 
 ### 2021-11-14
 * locale: contextualize translations

src/gui.js

@@ -232,7 +232,6 @@ IDE_Morph.prototype.init = function (isAutoFill) {
 
     // restore saved user preferences
     this.userLanguage = null; // user language preference for startup
-    this.projectsInURLs = false;
     this.applySavedSettings();
 
     // additional properties:
@@ -2881,7 +2880,6 @@ IDE_Morph.prototype.applySavedSettings = function () {
         language = this.getSetting('language'),
         click = this.getSetting('click'),
         longform = this.getSetting('longform'),
-        longurls = this.getSetting('longurls'),
         plainprototype = this.getSetting('plainprototype'),
         keyboard = this.getSetting('keyboard'),
         tables = this.getSetting('tables'),
@@ -2925,13 +2923,6 @@ IDE_Morph.prototype.applySavedSettings = function () {
         InputSlotDialogMorph.prototype.isLaunchingExpanded = true;
     }
 
-    // project data in URLs
-    if (longurls) {
-        this.projectsInURLs = true;
-    } else {
-        this.projectsInURLs = false;
-    }
-
     // keyboard editing
     if (keyboard === 'false') {
         ScriptsMorph.prototype.enableKeyboard = false;
@@ -4010,21 +4001,6 @@ IDE_Morph.prototype.settingsMenu = function () {
         'check to enable auto-wrapping\ninside nested block stacks',
         true
     );
-    addPreference(
-        'Project URLs',
-        () => {
-            this.projectsInURLs = !this.projectsInURLs;
-            if (this.projectsInURLs) {
-                this.saveSetting('longurls', true);
-            } else {
-                this.removeSetting('longurls');
-            }
-        },
-        this.projectsInURLs,
-        'uncheck to disable\nproject data in URLs',
-        'check to enable\nproject data in URLs',
-        true
-    );
     addPreference(
         'Sprite Nesting',
         () => SpriteMorph.prototype.enableNesting =
@@ -5112,7 +5088,6 @@ IDE_Morph.prototype.exportProject = function (name) {
             str = this.serializer.serialize(
                 new Project(this.scenes, this.scene)
             );
-            this.setURL('#open:data:text/xml,' + encodeURIComponent(str));
             this.saveXMLAs(str, name);
             menu.destroy();
             this.recordSavedChanges();
@@ -5791,7 +5766,6 @@ IDE_Morph.prototype.openProjectName = function (name) {
         this.setProjectName(name);
         str = localStorage['-snap-project-' + name];
         this.openProjectString(str);
-        this.setURL('#open:' + str);
     }
 };
 
@@ -5852,11 +5826,6 @@ IDE_Morph.prototype.switchToScene = function (scene, refreshAlbum, msg) {
     }
 };
 
-IDE_Morph.prototype.setURL = function (str) {
-    // Set the URL to a project's XML contents
-    location.hash = this.projectsInURLs ? str : '';
-};
-
 IDE_Morph.prototype.saveFileAs = function (
     contents,
     fileType,