Revert insights page URL masking handler

app/helpers/routing/pseudonymization_helper.rb

@@ -31,24 +31,11 @@ module Routing
           end
         end
 
-        generate_url(masked_params.merge(params: masked_query_params))
+        Gitlab::Routing.url_helpers.url_for(masked_params.merge(params: masked_query_params))
       end
 
       private
 
-      def generate_url(masked_params)
-        # The below check is added since `project/insights` route does not
-        # work with Rails router `url_for` method.
-        # See https://gitlab.com/gitlab-org/gitlab/-/issues/343551
-        if @request.path_parameters[:controller] == 'projects/insights'
-          default_root_url + "#{Gitlab::Routing.url_helpers.namespace_project_insights_path(masked_params)}"
-        elsif @request.path_parameters[:controller] == 'groups/insights'
-          default_root_url + "#{Gitlab::Routing.url_helpers.group_insights_path(masked_params)}"
-        else
-          Gitlab::Routing.url_helpers.url_for(masked_params)
-        end
-      end
-
       def mask_id(value)
         if @request.path_parameters[:controller] == 'projects/blob'
           ':repository_path'
@@ -93,9 +80,7 @@ module Routing
       mask_helper = MaskHelper.new(request, current_group, current_project)
       mask_helper.mask_params
 
-    # We rescue all exception for time being till we test this helper extensively.
-    # Check https://gitlab.com/gitlab-org/gitlab/-/merge_requests/72864#note_711515501
-    rescue => e # rubocop:disable Style/RescueStandardError
+    rescue ActionController::RoutingError, URI::InvalidURIError => e
       Gitlab::ErrorTracking.track_exception(e, url: request.original_fullpath)
       nil
     end

ee/spec/helpers/routing/pseudonymization_helper_spec.rb

@@ -20,7 +20,7 @@ RSpec.describe ::Routing::PseudonymizationHelper do
 
   describe 'when url has params to mask' do
     context 'when project/insights page is loaded' do
-      let(:masked_url) { "http://localhost//namespace#{group.id}/project#{project.id}/insights/" }
+      let(:masked_url) { "http://localhost/namespace#{group.id}/project#{project.id}/insights" }
       let(:request) do
         double(:Request,
           path_parameters: {
@@ -42,7 +42,7 @@ RSpec.describe ::Routing::PseudonymizationHelper do
     end
 
     context 'when groups/insights page is loaded' do
-      let(:masked_url) { "http://localhost//groups/namespace#{group.id}/-/insights/" }
+      let(:masked_url) { "http://localhost/groups/namespace#{group.id}/-/insights" }
       let(:request) do
         double(:Request,
           path_parameters: {