Update AP7950B.yaml

Fixed issues

Author: harryajc

device-types/APC/AP7950B.yaml

@@ -5,11 +5,10 @@ slug: apc-ap7950b
 part_number: AP7950B
 u_height: 0
 is_full_depth: false
-comments: Rack PDU, Switched, Zero U, 10A, 230V, (16) C13
-
-  [Switched Rack PDU AP7950B Overview and Specifications](https://www.apc.com/us/en/download/document/990-5833_EN/)
+comments: 'Rack PDU, Switched, Zero U, 10A, 230V, (16) C13 [AP7950B Overview and Specifications](https://www.apc.com/us/en/download/document/990-5833_EN/)'
 weight: 4.3
 weight_unit: kg
+airflow: passive
 front_image: true
 console-ports:
   - name: Serial