Update dependencies versions.

Cocoapods dependencies are not updated, since there's a lack of setup github based dependencies in `podspec` file and updates are not presented in the Cocoapods repo.

Drop unused xcworkspace.
Drop unused SimHash in Carthage dependencies config.

Author: yaroslavyaroslav

Cartfile

@@ -1,5 +1,5 @@
-github "attaswift/BigInt" ~> 5.2.1
+github "attaswift/BigInt" ~> 5.3.0
 github "attaswift/SipHash" ~> 1.2.2
 github "daltoniam/Starscream" ~> 4.0.4
-github "krzyzanowskim/CryptoSwift" ~> 1.4.0
-github "mxcl/PromiseKit" ~> 6.15.3
+github "krzyzanowskim/CryptoSwift" ~> 1.4.2
+github "mxcl/PromiseKit" ~> 6.16.2

Cartfile.resolved

@@ -2,4 +2,4 @@ github "attaswift/BigInt" "v5.3.0"
 github "attaswift/SipHash" "v1.2.2"
 github "daltoniam/Starscream" "4.0.4"
 github "krzyzanowskim/CryptoSwift" "1.4.2"
-github "mxcl/PromiseKit" "6.16.1"
+github "mxcl/PromiseKit" "6.16.2"

Package.swift

@@ -23,7 +23,7 @@ let package = Package(
 
     dependencies: [
         .package(url: "https://github.com/attaswift/BigInt.git", from: "5.3.0"),
-        .package(url: "https://github.com/mxcl/PromiseKit.git", from: "6.15.4"),
+        .package(url: "https://github.com/mxcl/PromiseKit.git", from: "6.16.2"),
         .package(url: "https://github.com/daltoniam/Starscream.git", from: "4.0.4"),
         .package(url: "https://github.com/krzyzanowskim/CryptoSwift.git", from: "1.4.2")
     ],