remove a few unused variables from the scheduler (#13606)
remove a few unused variables from the scheduler (#13606)


arangodb/arangodb,arangodb/arangodb,wiltonlazary/arangodb,graetzer/arangodb,Simran-B/arangodb,Simran-B/arangodb,Simran-B/arangodb,graetzer/arangodb,arangodb/arangodb,wiltonlazary/arangodb,Simran-B/arangodb,Simran-B/arangodb,arangodb/arangodb,graetzer/arangodb,graetzer/arangodb,wiltonlazary/arangodb,graetzer/arangodb,Simran-B/arangodb,graetzer/arangodb,wiltonlazary/arangodb,arangodb/arangodb,graetzer/arangodb,graetzer/arangodb,graetzer/arangodb,wiltonlazary/arangodb,graetzer/arangodb,wiltonlazary/arangodb,arangodb/arangodb,graetzer/arangodb,graetzer/arangodb,Simran-B/arangodb,Simran-B/arangodb,arangodb/arangodb,arangodb/arangodb,graetzer/arangodb,wiltonlazary/arangodb,graetzer/arangodb,wiltonlazary/arangodb,Simran-B/arangodb,Simran-B/arangodb