ariesve: Silence some unused variables/labels compile Warnings

board-ariesve.c:1742:1: warning: label ‘out’ defined but not used
board-ariesve.c:3379:6: warning: unused variable ‘ret’ [-Wunused-variable]
board-ariesve.c:5090:14: warning: unused variable ‘rc’ [-Wunused-variable]
board-ariesve.c:5090:9: warning: unused variable ‘pin’
By using the Comment-out