Remove image references again

content/tour/index.md

@@ -11,33 +11,12 @@ sections:
       - title: 👋 Welcome to the group
         content: Take a look at what we're working on...
         align: center
-        background:
-          image:
-            filename: coders.jpg
-            filters:
-              brightness: 0.7
-          position: right
-          color: '#666'
       - title: Lunch & Learn ☕️
         content: 'Share your knowledge with the group and explore exciting new topics together!'
         align: left
-        background:
-          image:
-            filename: contact.jpg
-            filters:
-              brightness: 0.7
-          position: center
-          color: '#555'
       - title: World-Class Semiconductor Lab
         content: 'Just opened last month!'
         align: right
-        background:
-          image:
-            filename: welcome.jpg
-            filters:
-              brightness: 0.5
-          position: center
-          color: '#333'
         link:
           icon: graduation-cap
           icon_pack: fas