remove warnings about postgres 12 and postgis 3

diff --git a/docs/admin/Installation.md b/docs/admin/Installation.md
index f3f54794c0a98746c6925721884f17bbe5637d2d..cf994c4c7a6b8fe7c4cc27d59d30fb55d09b4d88 100644 (file)
--- a/docs/admin/Installation.md
+++ b/docs/admin/Installation.md
@@ -36,8 +36,8 @@ For compiling:
 
 For running Nominatim:
 
-  * [PostgreSQL](https://www.postgresql.org) (9.3 - 11)
-  * [PostGIS](https://postgis.org) (2.2 - 2.5)
+  * [PostgreSQL](https://www.postgresql.org) (9.3+)
+  * [PostGIS](https://postgis.org) (2.2+)
   * [Python 3](https://www.python.org/)
   * [Psycopg2](https://initd.org/psycopg)
   * [PHP](https://php.net) (7.0 or later)
@@ -45,10 +45,6 @@ For running Nominatim:
   * PHP-intl (bundled with PHP)
   * a webserver (apache or nginx are recommended)
 
-!!! danger "Important"
-    Postgresql 12+ and Postgis 3.0+ are known to cause performance issues. They are
-    not recommended for a production installation at the moment.
-
 For running continuous updates:
 
   * [pyosmium](https://osmcode.org/pyosmium/) (with Python 3)