Remove tests/Greylist.txt according to BTS-622
Remove tests/Greylist.txt according to BTS-622

arangodb/arangodb,graetzer/arangodb,graetzer/arangodb,graetzer/arangodb,arangodb/arangodb,arangodb/arangodb,graetzer/arangodb,graetzer/arangodb,wiltonlazary/arangodb,wiltonlazary/arangodb,graetzer/arangodb,arangodb/arangodb,arangodb/arangodb,graetzer/arangodb,graetzer/arangodb,graetzer/arangodb,wiltonlazary/arangodb,wiltonlazary/arangodb,arangodb/arangodb,wiltonlazary/arangodb,arangodb/arangodb,graetzer/arangodb,wiltonlazary/arangodb,wiltonlazary/arangodb,wiltonlazary/arangodb,arangodb/arangodb,graetzer/arangodb,graetzer/arangodb,graetzer/arangodb,graetzer/arangodb