remove comments from package.swift

bump swift-tools-version to 5.6

Author: lukepistrol

Package.swift

@@ -1,25 +1,19 @@
-// swift-tools-version:5.5
-// The swift-tools-version declares the minimum version of Swift required to build this package.
+// swift-tools-version:5.6
 
 import PackageDescription
 
 let package = Package(
     name: "CodeEditKit",
     products: [
-        // Products define the executables and libraries a package produces, and make them visible to other packages.
         .library(
             name: "CodeEditKit",
             type: .dynamic,
             targets: ["CodeEditKit"]),
     ],
     dependencies: [
         .package(url: "https://github.com/apple/swift-docc-plugin", from: "1.0.0"),
-        // Dependencies declare other packages that this package depends on.
-        // .package(url: /* package url */, from: "1.0.0"),
     ],
     targets: [
-        // Targets are the basic building blocks of a package. A target can define a module or a test suite.
-        // Targets can depend on other targets in this package, and on products in packages this package depends on.
         .target(
             name: "CodeEditKit",
             dependencies: []),