Moves swift package to root of repository so it can be used directly … (#7548)

* Moves swift package to root of repository so it can be used directly from the main repo

Fixing paths for swift directory

* Update swift readme

tests/swift/Wasm.tests/Package.swift

@@ -23,7 +23,7 @@ let package = Package(
     .macOS(.v10_14),
   ],
   dependencies: [
-    .package(path: "../../../swift"),
+    .package(path: "../../.."),
   ],
   targets: [
     .target(

tests/swift/benchmarks/Package.swift

@@ -23,7 +23,7 @@ let package = Package(
     .macOS(.v10_14),
   ],
   dependencies: [
-    .package(path: "../../../swift"),
+    .package(path: "../../.."),
     .package(url: "https://github.com/google/swift-benchmark", from: "0.1.0"),
   ],
   targets: [

tests/swift/tests/Package.swift

@@ -24,7 +24,7 @@ let package = Package(
     .macOS(.v10_14),
   ],
   dependencies: [
-    .package(path: "../../../swift"),
+    .package(path: "../../.."),
     .package(url: "https://github.com/grpc/grpc-swift.git", from: "1.4.1"),
   ],
   targets: [