FLEX-33451: Fixed .gitignore for release build
FLEX-33451: Fixed .gitignore for release build

adufilie/flex-sdk,apache/flex-sdk,adufilie/flex-sdk,SlavaRa/flex-sdk,SlavaRa/flex-sdk,shyamalschandra/flex-sdk,apache/flex-sdk,danteinforno/flex-sdk,danteinforno/flex-sdk,shyamalschandra/flex-sdk,danteinforno/flex-sdk,apache/flex-sdk,apache/flex-sdk,SlavaRa/flex-sdk,SlavaRa/flex-sdk,SlavaRa/flex-sdk,shyamalschandra/flex-sdk,apache/flex-sdk,apache/flex-sdk,shyamalschandra/flex-sdk,SlavaRa/flex-sdk,shyamalschandra/flex-sdk,danteinforno/flex-sdk,adufilie/flex-sdk,adufilie/flex-sdk,danteinforno/flex-sdk,shyamalschandra/flex-sdk,adufilie/flex-sdk,danteinforno/flex-sdk,adufilie/flex-sdk