Remove unneeded member from `SourceKitCrashTests`
Remove unneeded member from `SourceKitCrashTests`

firebase/SwiftLint,lyft/SwiftLint,victorpimentel/SwiftLint,Johnykutty/SwiftLint,Johnykutty/SwiftLint,lyft/SwiftLint,realm/SwiftLint,lyft/SwiftLint,lyft/SwiftLint,jeffreybergier/SwiftLint,firebase/SwiftLint,Johnykutty/SwiftLint,victorpimentel/SwiftLint,realm/SwiftLint,realm/SwiftLint,jeffreybergier/SwiftLint,Johnykutty/SwiftLint,victorpimentel/SwiftLint,jeffreybergier/SwiftLint,firebase/SwiftLint,realm/SwiftLint,jeffreybergier/SwiftLint,victorpimentel/SwiftLint,firebase/SwiftLint