Remove unused option in server API

pkg/analysis_server/tool/spec/generated/java/AnalysisServer.java

Index: pkg/analysis_server/tool/spec/generated/java/AnalysisServer.java
diff --git a/pkg/analysis_server/tool/spec/generated/java/AnalysisServer.java b/pkg/analysis_server/tool/spec/generated/java/AnalysisServer.java
index 8fb6d55e9d54ac75ead22d97aae731d29b36ffa9..b586a29604bff8ea7e8d3494bab1a1d97d7e90e8 100644
--- a/pkg/analysis_server/tool/spec/generated/java/AnalysisServer.java
+++ b/pkg/analysis_server/tool/spec/generated/java/AnalysisServer.java
@@ -174,19 +174,20 @@ public interface AnalysisServer {
    * @param included A list of the files and directories that should be analyzed.
    * @param excluded A list of the files and directories within the included directories that should
    *         not be analyzed.
-   * @param packageRoots A mapping from source directories to package roots that should override the
-   *         normal package: URI resolution mechanism. If a package root is a directory, then the
-   *         analyzer will behave as though the associated source directory in the map contains a
-   *         special pubspec.yaml file which resolves any package: URI to the corresponding path
-   *         within that package root directory. The effect is the same as specifying the package
-   *         root directory as a "--package_root" parameter to the Dart VM when executing any Dart
-   *         file inside the source directory. If a package root is a file, then the analyzer will
-   *         behave as though that file is a ".packages" file in the source directory. The effect is
-   *         the same as specifying the file as a "--packages" parameter to the Dart VM when
-   *         executing any Dart file inside the source directory. Files in any directories that are
-   *         not overridden by this mapping have their package: URI's resolved using the normal
-   *         pubspec.yaml mechanism. If this field is absent, or the empty map is specified, that
-   *         indicates that the normal pubspec.yaml mechanism should always be used.
+   * @param packageRoots Deprecated: This field is now ignored by server. A mapping from source
+   *         directories to package roots that should override the normal package: URI resolution
+   *         mechanism. If a package root is a directory, then the analyzer will behave as though the
+   *         associated source directory in the map contains a special pubspec.yaml file which
+   *         resolves any package: URI to the corresponding path within that package root directory.
+   *         The effect is the same as specifying the package root directory as a "--package_root"
+   *         parameter to the Dart VM when executing any Dart file inside the source directory. If a
+   *         package root is a file, then the analyzer will behave as though that file is a
+   *         ".packages" file in the source directory. The effect is the same as specifying the file
+   *         as a "--packages" parameter to the Dart VM when executing any Dart file inside the
+   *         source directory. Files in any directories that are not overridden by this mapping have
+   *         their package: URI's resolved using the normal pubspec.yaml mechanism. If this field is
+   *         absent, or the empty map is specified, that indicates that the normal pubspec.yaml
+   *         mechanism should always be used.
    */
   public void analysis_setAnalysisRoots(List<String> included, List<String> excluded, Map<String, String> packageRoots);