remove demo project

Author: and-cesbo

Package.swift

@@ -9,7 +9,6 @@ let package = Package(
     ],
     products: [
         .library(name: "SSH2", targets: ["SSH2"]),
-        .executable(name: "DemoSSH", targets: ["DemoSSH"]),
     ],
     targets: [
         .target(
@@ -19,10 +18,6 @@ let package = Package(
                 "Clibssh2",
             ]
         ),
-        .executableTarget(
-            name: "DemoSSH",
-            dependencies: ["SSH2"]
-        ),
         .binaryTarget(
             name: "Clibssh2",
             path: "Frameworks/Clibssh2.xcframework"