Update merchants.yml

removed duplicate web developer listing

_data/merchants.yml

@@ -60,10 +60,8 @@
       url: https://cryptostorm.is/
     - name: Esperanto lessons from Kaja
       url: mailto:kiah.morante@gmail.com
-      name: Guitar Music Theory course w/ 30% XMR discount
+    - name: Guitar Music Theory course w/ 30% XMR discount
       url: http://guitartheoryrevolution.com/
-    - name: Web Developer - Stefanos
-      url: http://www.stefanosioannou.com/web-development-monero-accepted
     - name: MyMonero Web-based Wallet
       url: https://mymonero.com
     - name: Pradeep Atluri, Psychiatrist, New York