SERVER-98473: Update genny_tasks to be pulled from DSI. (#30528)

GitOrigin-RevId: 422111a656b7a98ef2bed5015f7646fa42c1b6e9

Author: johndaniels

etc/system_perf.yml

@@ -13,7 +13,7 @@ include:
   - filename: evergreen/system_perf/shared_tasks.yml
     module: dsi
   - filename: evergreen/system_perf/7.0/genny_tasks.yml
-    module: genny
+    module: dsi
 
 ## Parameters for parameterized builds (see https://github.com/evergreen-ci/evergreen/wiki/Parameterized-Builds)
 parameters: