fix(workflows): Stop building GEN device family

- GitHub pages are introduced for customers/ developers
to get access the latest bleeding-edge documentation

- DEVFAMILY=GEN is not used in production by any OS & hence
contains irrelevant information [1]. So, stop building it
as a part of CICD.

[1]: https://texasinstruments.github.io/processor-sdk-doc/processor-sdk-linux-GEN/esd/docs/10_01/linux/index.html
Signed-off-by: Chirag Shilwant <[email protected]>

Author: cshilwant

.github/workflows/build.yml

@@ -37,7 +37,6 @@ jobs:
           - AM69
           - CORESDK
           - DRA821A
-          - GEN
           - J7200
           - J721E
           - J721S2
@@ -49,8 +48,6 @@ jobs:
             device: AM62PX
           - os: android
             device: AM62X
-          - os: android
-            device: GEN
 
     steps:
       - name: Checkout