fix(patch): drop MacroTesting dependency (#23)

Author: supersonicbyte

Package.resolved

@@ -15,8 +15,7 @@ let package = Package(
         )
     ],
     dependencies: [
-        .package(url: "https://github.com/swiftlang/swift-syntax.git", "600.0.0"..<"602.0.0"),
-        .package(url: "https://github.com/pointfreeco/swift-macro-testing.git", from: "0.6.3")
+        .package(url: "https://github.com/swiftlang/swift-syntax.git", "600.0.0"..<"602.0.0")
     ],
     targets: [
         // Targets are the basic building blocks of a package, defining a module or a test suite.
@@ -40,7 +39,6 @@ let package = Package(
             name: "EquatableTests",
             dependencies: [
                 "EquatableMacros",
-                .product(name: "MacroTesting", package: "swift-macro-testing"),
                 .product(name: "SwiftSyntaxMacrosTestSupport", package: "swift-syntax")
             ]
         )