Remove transitive dependency hoisting

Author: loic-sharma

packages/google_sign_in/google_sign_in_ios/darwin/google_sign_in_ios.podspec

@@ -18,7 +18,7 @@ Enables Google Sign-In in Flutter apps.
 
   # AppAuth and GTMSessionFetcher are GoogleSignIn transitive dependencies.
   # Depend on versions which defines modules.
-  s.dependency 'AppAuth', '>= 1.7.6'
+  s.dependency 'AppAuth', '>= 1.7.4'
   s.dependency 'GTMSessionFetcher', '>= 3.4.0'
   s.dependency 'GoogleSignIn', '~> 7.1'
   s.static_framework = true

packages/google_sign_in/google_sign_in_ios/darwin/google_sign_in_ios/Package.swift

@@ -16,17 +16,9 @@ let package = Package(
     .library(name: "google-sign-in-ios", targets: ["google_sign_in_ios"])
   ],
   dependencies: [
-    // AppAuth and GTMSessionFetcher are GoogleSignIn transitive dependencies.
-    // Depend on versions which define modules.
-    .package(
-      url: "https://github.com/openid/AppAuth-iOS.git",
-      from: "1.7.6"),
-    .package(
-      url: "https://github.com/google/gtm-session-fetcher.git",
-      from: "3.4.0"),
     .package(
       url: "https://github.com/google/GoogleSignIn-iOS.git",
-      from: "7.1.0"),
+      from: "7.1.0")
   ],
   targets: [
     .target(