Remove unused page variables

donate/index.md

@@ -2,7 +2,6 @@
 layout: page
 title: Support Us
 heading: Support Us
-container_class: 'text'
 ---
 
 <div class="ui basic segment">

esa-bic/index.md

@@ -2,7 +2,6 @@
 layout: page_container
 title: ESA Business Incubation
 heading: ESA Business Incubation
-container_class: 'text'
 ---
 
 Safing ICS Technologies GmbH is participating in the ESA Business Incubation Centre Austria. The goal is to advance our technology as well as our business. Additionally, we have access to advanced ESA technology which will help us with anomaly detection.

jobs/golang-developer.md

@@ -2,7 +2,6 @@
 layout: page
 title: Golang (or C/C++) Developer
 heading: Golang (or C/C++) Developer
-container_class: 'text'
 ---
 
 Hey there! We're looking for a Golang developer to join us at Safing, maybe that's you?

jobs/index.html

@@ -2,7 +2,6 @@
 layout: page
 title: Join Safing
 heading: Join us
-container_class: 'text'
 ---
 
 <div class="ui doubling grid container">

portmaster/index.html

@@ -1,6 +1,5 @@
 ---
 layout: page
-container_class: 'text'
 redirect_from:
 - /technology/
 ---