joi: simplify ValidationOptions
joi: simplify ValidationOptions

rolandzwaga/DefinitelyTyped,mcliment/DefinitelyTyped,chrootsu/DefinitelyTyped,benishouga/DefinitelyTyped,jimthedev/DefinitelyTyped,chrootsu/DefinitelyTyped,AgentME/DefinitelyTyped,aciccarello/DefinitelyTyped,alexdresko/DefinitelyTyped,arusakov/DefinitelyTyped,borisyankov/DefinitelyTyped,magny/DefinitelyTyped,AgentME/DefinitelyTyped,AbraaoAlves/DefinitelyTyped,AbraaoAlves/DefinitelyTyped,georgemarshall/DefinitelyTyped,AgentME/DefinitelyTyped,markogresak/DefinitelyTyped,georgemarshall/DefinitelyTyped,rolandzwaga/DefinitelyTyped,benishouga/DefinitelyTyped,dsebastien/DefinitelyTyped,benliddicott/DefinitelyTyped,AgentME/DefinitelyTyped,zuzusik/DefinitelyTyped,borisyankov/DefinitelyTyped,nycdotnet/DefinitelyTyped,arusakov/DefinitelyTyped,alexdresko/DefinitelyTyped,magny/DefinitelyTyped,arusakov/DefinitelyTyped,zuzusik/DefinitelyTyped,laurentiustamate94/DefinitelyTyped,jimthedev/DefinitelyTyped,AbraaoAlves/DefinitelyTyped,benishouga/DefinitelyTyped,georgemarshall/DefinitelyTyped,jimthedev/DefinitelyTyped,nycdotnet/DefinitelyTyped,one-pieces/DefinitelyTyped,dsebastien/DefinitelyTyped,zuzusik/DefinitelyTyped,georgemarshall/DefinitelyTyped,aciccarello/DefinitelyTyped,aciccarello/DefinitelyTyped