Remove deprecated connectivity check (#6278)

Source/SwiftLintFramework/Configuration/Configuration+Remote.swift

@@ -58,11 +58,6 @@ internal extension Configuration.FileGraph.FilePath {
         if let mockedValue = Configuration.FileGraph.FilePath.mockedNetworkResults[urlString] {
             configString = mockedValue
         } else {
-            // Handle missing network
-            guard Reachability.connectivityStatus != .disconnected else {
-                return try handleMissingNetwork(urlString: urlString, cachedFilePath: cachedFilePath)
-            }
-
             // Handle wrong url format
             guard let url = URL(string: urlString) else {
                 throw Issue.genericWarning("Invalid configuration entry: \"\(urlString)\" isn't a valid url.")
@@ -117,21 +112,6 @@ internal extension Configuration.FileGraph.FilePath {
         return filePath
     }
 
-    private mutating func handleMissingNetwork(urlString: String, cachedFilePath: String?) throws -> String {
-        if let cachedFilePath {
-            queuedPrintError(
-                "warning: No internet connectivity: Unable to load remote config from \"\(urlString)\". "
-                    + "Using cached version as a fallback."
-            )
-            self = .existing(path: cachedFilePath)
-            return cachedFilePath
-        }
-        throw Issue.genericWarning(
-            "No internet connectivity: Unable to load remote config from \"\(urlString)\". "
-                + "Also didn't found cached version to fallback to."
-        )
-    }
-
     private mutating func handleWrongData(
         urlString: String,
         cachedFilePath: String?,

Source/SwiftLintFramework/Helpers/Reachability.swift

@@ -1,44 +0,0 @@
-#if !os(Linux)
-import SystemConfiguration
-#endif
-
-/// Helper enum providing the static var `connectivityStatus`
-enum Reachability {
-    enum ConnectivityStatus {
-        case connected, disconnected, unknown
-    }
-
-    /// Returns whether the device is connected to a network, if known.
-    /// On Linux, this always evaluates to `nil`.
-    static var connectivityStatus: ConnectivityStatus {
-#if os(Linux)
-        return .unknown
-#else
-        var zeroAddress = sockaddr_in()
-        zeroAddress.sin_len = UInt8(MemoryLayout<sockaddr_in>.size)
-        zeroAddress.sin_family = sa_family_t(AF_INET)
-
-        guard let defaultRouteReachability = withUnsafePointer(to: &zeroAddress, {
-            $0.withMemoryRebound(to: sockaddr.self, capacity: 1) {
-                SCNetworkReachabilityCreateWithAddress(nil, $0)
-            }
-        }) else {
-            return .unknown
-        }
-
-        var flags: SCNetworkReachabilityFlags = []
-        if !SCNetworkReachabilityGetFlags(defaultRouteReachability, &flags) {
-            return .unknown
-        }
-
-        if flags.isEmpty {
-            return .disconnected
-        }
-
-        let isReachable = flags.contains(.reachable)
-        let needsConnection = flags.contains(.connectionRequired)
-
-        return (isReachable && !needsConnection) ? .connected : .disconnected
-#endif
-    }
-}