update documentation team membership (#1921)

@alejandrosame @wamirez @philiptaron

Author: fricklerhandwerk

core/src/content/teams/120_documentation.mdx

@@ -2,18 +2,12 @@
 name: Documentation Team
 description: Works on improving learning experience and documentation.
 members:
-  - name: Valentin Gagarin
-    discourse: fricklerhandwerk
-    title: Nix documentarian
-  - name: wamirez
-    discourse: wamirez
-    title:
-  - name: alejandrosame
-    discourse: alejandrosame
-    title:
   - name: Johannes Kirschbauer
     discourse: hsjobeki
     title:
+  - name: Philip Taron
+    discourse: philiptaron
+    title:
 contact:
   - name: Discourse
     href: https://discourse.nixos.org/c/dev/documentation/25