[IMP] administration: clarify supported browsers

This commit rewords a little bit the part of the doc about
supported browsers, with an emphasis on the fact that the browser
must always be up-to-date, which customers sometimes forget (and
report issues because of this).

See https://github.com/odoo/odoo/pull/184894

closes odoo/documentation#13115

X-original-commit: c83aed159f
Signed-off-by: Aaron Bohy (aab) <aab@odoo.com>

content/administration/on_premise/deploy.rst

@@ -881,23 +881,13 @@ now appears in the configuration file.
 Supported Browsers
 ==================
 
-Odoo supports all the major desktop and mobile browsers available on the market,
-as long as they are supported by their publishers.
-
-Here are the supported browsers:
+Odoo supports the latest version of the following browsers.
 
 - Google Chrome
 - Mozilla Firefox
 - Microsoft Edge
 - Apple Safari
 
-.. warning:: Please make sure your browser is up-to-date and still supported by
-    its publisher before filing a bug report.
-
-.. note::
-
-    Since Odoo 13.0, ES6 is supported.  Therefore, IE support is dropped.
-
 .. [#different-machines]
     to have multiple Odoo installations use the same PostgreSQL database,
     or to provide more computing resources to both software.