Remove IncompatibleDartPluginNotificationProvider.java (#7685)

The IDE takes care of this messaging, and this editor inspection causes
"java.lang.Throwable: Slow operations are prohibited on EDT." on recent
(2024.2) versions of the AS/IDEA.

Author: jwren

flutter-idea/src/io/flutter/FlutterBundle.properties

@@ -26,15 +26,13 @@ app.inspector.error_loading_property_details=Error loading property details
 app.inspector.loading_properties=Loading properties
 app.inspector.nothing_to_show=Nothing to show
 
-dart.plugin.update.action.label=Update Dart
 dart.sdk.is.not.configured=Dart SDK is not configured
 
 error.folder.specified.as.sdk.not.exists=The folder specified as the Flutter SDK home does not exist.
 error.flutter.sdk.without.dart.sdk=The Flutter SDK installation is incomplete; please see: https://flutter.dev/get-started.
 error.sdk.not.found.in.specified.location=Flutter SDK is not found in the specified location.
 
 flutter.command.exception.message=Exception: {0}
-flutter.incompatible.dart.plugin.warning=Flutter requires a Dart plugin with a minimum version of {0} (currently installed: {1}).
 flutter.module.name=Flutter
 flutter.no.sdk.warning=No Flutter SDK Configured.
 flutter.project.description=Build high-performance, high-fidelity, apps using the Flutter framework.

flutter-idea/src/io/flutter/dart/DartPlugin.java

@@ -94,14 +94,6 @@ public static void setCheckForUpdates(@NotNull DartSdkUpdateOption sdkUpdateOpti
     DartSdkUpdateOption.setDartSdkUpdateOption(sdkUpdateOption);
   }
 
-  /**
-   * Return the minimum required {@link Version} of the Dart Plugin.
-   */
-  @NotNull
-  public Version getMinimumVersion() {
-    return MINIMUM_VERSION;
-  }
-
   /**
    * Return the {@link Version} of the currently installed Dart Plugin.
    */

flutter-idea/src/io/flutter/inspections/IncompatibleDartPluginNotificationProvider.java

@@ -1,6 +1,3 @@
 <!-- Defines IDEA IDE-specific contributions and implementations. -->
 <idea-plugin>
-  <extensions defaultExtensionNs="com.intellij">
-    <editorNotificationProvider implementation="io.flutter.inspections.IncompatibleDartPluginNotificationProvider"/>
-  </extensions>
 </idea-plugin>