SONAR-15194 Deprecate 'ProfileExporter' and 'ProfileImporter' in the Java API

sonar-plugin-api/src/main/java/org/sonar/api/profiles/ProfileExporter.java

  * Export quality profile rules to a file
  *
  * @since 2.3
+ * @deprecated since 9.1. Web services should be used instead.
  */
 @ServerSide
 @ExtensionPoint
+@Deprecated
 public abstract class ProfileExporter {
 
   private String[] supportedLanguages = new String[0];

sonar-plugin-api/src/main/java/org/sonar/api/profiles/ProfileImporter.java

  * Create a quality profile from an external rules file.
  *
  * @since 2.3
+ * @deprecated since 9.1. Web services should be used instead.
  */
 @ServerSide
 @ExtensionPoint
+@Deprecated
 public abstract class ProfileImporter {
 
   private String[] supportedLanguages = new String[0];