Remove unnecessary null checks

diff --git a/packages/camera/camera_windows/lib/camera_windows.dart b/packages/camera/camera_windows/lib/camera_windows.dart
index 4b0c158..a2f4d30 100644
--- a/packages/camera/camera_windows/lib/camera_windows.dart
+++ b/packages/camera/camera_windows/lib/camera_windows.dart

@@ -206,7 +206,7 @@
       <String, dynamic>{'cameraId': cameraId},
     );
 
-    return XFile(path!);
+    return XFile(path);
   }
 
   @override
@@ -245,7 +245,7 @@
       <String, dynamic>{'cameraId': cameraId},
     );
 
-    return XFile(path!);
+    return XFile(path);
   }
 
   @override

diff --git a/packages/file_selector/file_selector_macos/lib/file_selector_macos.dart b/packages/file_selector/file_selector_macos/lib/file_selector_macos.dart
index f8a087f..8cc2c0e 100644
--- a/packages/file_selector/file_selector_macos/lib/file_selector_macos.dart
+++ b/packages/file_selector/file_selector_macos/lib/file_selector_macos.dart

@@ -31,7 +31,7 @@
               directoryPath: initialDirectory,
               prompt: confirmButtonText,
             )));
-    return paths.isEmpty ? null : XFile(paths.first!);
+    return paths.isEmpty ? null : XFile(paths.first);
   }
 
   @override
@@ -50,7 +50,7 @@
               directoryPath: initialDirectory,
               prompt: confirmButtonText,
             )));
-    return paths.map((String? path) => XFile(path!)).toList();
+    return paths.map((String? path) => XFile(path)).toList();
   }
 
   @override

diff --git a/packages/file_selector/file_selector_windows/lib/file_selector_windows.dart b/packages/file_selector/file_selector_windows/lib/file_selector_windows.dart
index 4ce2483..3370c7f 100644
--- a/packages/file_selector/file_selector_windows/lib/file_selector_windows.dart
+++ b/packages/file_selector/file_selector_windows/lib/file_selector_windows.dart

@@ -29,7 +29,7 @@
         ),
         initialDirectory,
         confirmButtonText);
-    return paths.isEmpty ? null : XFile(paths.first!);
+    return paths.isEmpty ? null : XFile(paths.first);
   }
 
   @override
@@ -46,7 +46,7 @@
         ),
         initialDirectory,
         confirmButtonText);
-    return paths.map((String? path) => XFile(path!)).toList();
+    return paths.map((String? path) => XFile(path)).toList();
   }
 
   @override