Update branch and PR web API description

server/sonar-webserver-webapi/src/main/java/org/sonar/server/branch/pr/ws/PullRequestsWs.java

@@ -37,7 +37,7 @@ public class PullRequestsWs implements WebService {
   public void define(Context context) {
     NewController controller = context.createController("api/project_pull_requests")
       .setSince("7.1")
-      .setDescription("Manage pull request (only available when the Branch plugin is installed)");
+      .setDescription("Manage pull request");
     stream(actions).forEach(action -> action.define(controller));
     controller.done();
   }

server/sonar-webserver-webapi/src/main/java/org/sonar/server/branch/ws/BranchesWs.java

@@ -38,7 +38,7 @@ public class BranchesWs implements WebService {
   public void define(Context context) {
     NewController controller = context.createController(CONTROLLER)
       .setSince("6.6")
-      .setDescription("Manage branch (only available when the Branch plugin is installed)");
+      .setDescription("Manage branch");
     Arrays.stream(actions).forEach(action -> action.define(controller));
     controller.done();
   }

sonar-ws-generator/src/main/resources/snapshot-of-api.json

@@ -4606,7 +4606,7 @@
     {
       "path": "api/project_branches",
       "since": "6.6",
-      "description": "Manage branch (only available when the Branch plugin is installed)",
+      "description": "Manage branch",
       "actions": [
         {
           "key": "delete",