AEA-5959 Remove exit 1 when no build target.

Author: originalphil

.github/workflows/quality-checks.yml

@@ -200,7 +200,6 @@ jobs:
             make build
           else
             echo "build target not found in Makefile"
-            exit 1
           fi
 
   # CloudFormation validation (runs only if templates exist, ~3-5 minutes)