Don't run configlet lint manually in check_formatting.dart (#301)

* Don't run configlet lint manually in check_formatting.dart

* 🐛  (exercises/concepts) Add stub content to dart files

This is to allow dart formatting checks to pass in CI

* 🚧  (presubmit) Temporarily disable `configlet fmt`

Please see #296

Author: devkabiir

bin/check_formatting.dart

@@ -5,17 +5,6 @@ Future main() async {
   final CommonUtils utils = CommonUtils();
   int errorCode = 0;
 
-  if (await utils.fetchConfiglet() == 0) {
-    print('Checking config.json formatting...');
-    errorCode = await utils.runCmdIfExecutable('bin/configlet', ['lint', '--track-id', 'dart', '.']);
-
-    if (errorCode != 0) {
-      print('Checking config.json formatting failed!!');
-      await utils.terminate();
-      throw StateError('Formatting failed.');
-    }
-  }
-
   print('Checking all Dart files formatting...');
   errorCode = await utils
       .runCmd('pub', ['run', 'dart_style:format', '-i', '0', '-l', '120', '-n', '--set-exit-if-changed', '.']);

bin/presubmit.dart

@@ -6,7 +6,8 @@ Future<Null> main() async {
 
   if (await utils.fetchConfiglet() == 0) {
     print('Formatting config.json...');
-    await utils.runCmdIfExecutable('bin/configlet', ['fmt', '.']);
+    print('Unsupported operation: Please see https://github.com/exercism/dart/issues/296');
+    // await utils.runCmdIfExecutable('bin/configlet', ['fmt', '.']);
   }
 
   print('Formatting all Dart files...');

exercises/concept/futures/lib/futures.dart

@@ -0,0 +1 @@
+// TODO

exercises/concept/numbers/lib/numbers.dart

@@ -0,0 +1 @@
+// TODO

exercises/concept/strings/lib/strings.dart

@@ -0,0 +1 @@
+// TODO