trim some prefs we don't need anymore

docs/Changelog.md

@@ -5,6 +5,25 @@ Setting versions are documented using the pref `librewolf.cfg.version`, availabl
 
 **target commit**: 
 
+**base librewolf version**: 107.x
+
+**References**:
+
+- mixed content is already covered by HTTPS-only-mode;
+- [dom.disable_beforeunload is no longer necessary](https://github.com/arkenfox/user.js/issues/1575);
+
+#### Removed preferences
+
+```
+defaultPref("security.mixed_content.block_display_content", true); // block insecure passive content
+defaultPref("dom.disable_beforeunload", true);
+defaultPref("dom.disable_open_during_load", true); // default
+```
+
+# 7.2
+
+**target commit**: 
+
 **base librewolf version**: 106.x
 
 **References**:

librewolf.cfg

@@ -6,7 +6,7 @@
  * 
  * WARNING: make sure the first line of this file is empty. this is a known bug.
  */
-lockPref("librewolf.cfg.version", "7.2");
+lockPref("librewolf.cfg.version", "7.3");
 
 
 /** INDEX
@@ -92,7 +92,6 @@ defaultPref("librewolf.uBO.assetsBootstrapLocation", "https://gitlab.com/librewo
 /** [SECTION] HTTPS */
 defaultPref("dom.security.https_only_mode", true); // only allow https in all windows, including private browsing
 defaultPref("network.auth.subresource-http-auth-allow", 1); // block HTTP authentication credential dialogs
-defaultPref("security.mixed_content.block_display_content", true); // block insecure passive content
 
 /** [SECTION] REFERERS
  * to enhance privacy but keep a certain level of usability we trim cross-origin
@@ -292,8 +291,6 @@ defaultPref("media.autoplay.default", 5);
 /** [SECTION] POP-UPS AND WINDOWS
  * disable annoyin pop-ups and limit events that can trigger them.
  */
-defaultPref("dom.disable_beforeunload", true); // disable "confirm you want to leave" pop-ups
-defaultPref("dom.disable_open_during_load", true); // block pop-ups windows
 defaultPref("dom.popup_allowed_events", "click dblclick mousedown pointerdown");
 /**
  * prevent scripts from resizing existing windows and opening new ones, by forcing them into