Revert "Package.swift: add explicit swiftLanguageMode(.v6) to all targets"

This reverts commit 6f565df.

Author: x401om

Examples/AdaptyRecipes-Tuist/Tuist/Package.swift

@@ -8,6 +8,10 @@
         productTypes: [
             "Adapty": .framework,
             "AdaptyUI": .framework,
+        ],
+        targetSettings: [
+            "Adapty": .init().swiftVersion("6"),
+            "AdaptyUI": .init().swiftVersion("6"),
         ]
     )
 #endif

Package.swift

@@ -43,56 +43,49 @@ let package = Package(
         .target(
             name: "AdaptyLogger",
             dependencies: [],
-            path: "Sources.Logger",
-            swiftSettings: [.swiftLanguageMode(.v6)]
+            path: "Sources.Logger"
         ),
         .target(
             name: "AdaptyUIBuilder",
             dependencies: ["AdaptyLogger"],
             path: "Sources.UIBuilder",
             exclude: [
                 "adaptyui.v4.4.1.schema.yaml"
-            ],
-            swiftSettings: [.swiftLanguageMode(.v6)]
+            ]
         ),
         .target(
             name: "Adapty",
             dependencies: ["AdaptyUIBuilder", "AdaptyLogger"],
             path: "Sources",
-            resources: [.copy("PrivacyInfo.xcprivacy")],
-            swiftSettings: [.swiftLanguageMode(.v6)]
+            resources: [.copy("PrivacyInfo.xcprivacy")]
         ),
         .target(
             name: "Adapty_KidsMode",
             dependencies: ["AdaptyUIBuilder", "AdaptyLogger"],
             path: "Sources.KidsMode",
             resources: [.copy("PrivacyInfo.xcprivacy")],
             swiftSettings: [
-                .define("ADAPTY_KIDS_MODE"),
-                .swiftLanguageMode(.v6),
+                .define("ADAPTY_KIDS_MODE")
             ]
         ),
         .target(
             name: "AdaptyUI",
             dependencies: ["AdaptyUIBuilder", "Adapty", "AdaptyLogger"],
             path: "Sources.AdaptyUI",
-            resources: [.copy("PrivacyInfo.xcprivacy")],
-            swiftSettings: [.swiftLanguageMode(.v6)]
+            resources: [.copy("PrivacyInfo.xcprivacy")]
         ),
         .target(
             name: "AdaptyDeveloperTools",
             dependencies: ["AdaptyUIBuilder", "Adapty", "AdaptyUI", "AdaptyLogger"],
-            path: "Sources.DeveloperTools",
-            swiftSettings: [.swiftLanguageMode(.v6)]
+            path: "Sources.DeveloperTools"
         ),
         .target(
             name: "AdaptyPlugin",
             dependencies: ["AdaptyUIBuilder", "Adapty", "AdaptyUI", "AdaptyLogger"],
             path: "Sources.AdaptyPlugin",
             exclude: [
                 "cross_platform.yaml"
-            ],
-            swiftSettings: [.swiftLanguageMode(.v6)]
+            ]
         ),
         .testTarget(
             name: "AdaptyTests",