teams.marketing: update roles (#1825)

- remove idabzo from the marketing team
- add the lead title to djacu per the marketing team's vote

Author: djacu

core/src/content/teams/07_marketing.mdx

@@ -2,18 +2,15 @@
 name: Marketing Team
 description: Maintains this website, responsible for social media outreach, collects metrics. Help grow the Nix user base.
 members:
-  - name: Ida Bzo
-    discourse: idabzo
-    title: Lead
+  - name: Daniel Baker
+    discourse: djacu
+    title: Lead & Brand and Design Steward & Surveys and Metrics Coordinator
   - name: Thilo Billerbeck
     discourse: avocadoom
     title: Webmaster
   - name: Florian Pester
     discourse: flyfloh
     title: Social Media Liaison
-  - name: Daniel Baker
-    discourse: djacu
-    title: Brand and Design Steward & Surveys and Metrics Coordinator
   - name: Thomas Bereknyei
     discourse: tomberek
     title: