Silence compiler warnings
Silence compiler warnings

> warning: initializer 'init(configuration:)' nearly matches defaulted requirement 'init(configuration:)' of protocol 'Rule'
> note: candidate has non-matching type '(configuration: SeverityLevelsConfiguration)'
> note: move 'init(configuration:)' to an extension to silence this warning
> SwiftLintFramework.Rule:5:12: note: requirement 'init(configuration:)' declared here
>    public init(configuration: Any) throws

lyft/SwiftLint,realm/SwiftLint,lyft/SwiftLint,realm/SwiftLint,realm/SwiftLint,realm/SwiftLint,lyft/SwiftLint,lyft/SwiftLint