update storage engine variants

Author: blink1073

.evergreen/generated_configs/variants.yml

@@ -964,7 +964,7 @@ buildvariants:
       PYTHON_BINARY: /opt/python/3.9/bin/python3
   - name: storage-mmapv1-rhel8-python3.9
     tasks:
-      - name: .standard-linux .server-4.0
+      - name: .standard-linux !.sharded_cluster-auth-ssl .server-4.0
     display_name: Storage MMAPv1 RHEL8 Python3.9
     run_on:
       - rhel87-small

.evergreen/scripts/generate_config.py

@@ -290,7 +290,7 @@ def create_storage_engine_variants():
         else:
             # MongoDB 4.2 drops support for MMAPv1
             versions = get_versions_until("4.0")
-            tasks = [f".standard-linux .server-{v}" for v in versions]
+            tasks = [f".standard-linux !.sharded_cluster-auth-ssl .server-{v}" for v in versions]
         display_name = get_variant_name(f"Storage {engine}", host, python=python)
         variant = create_variant(
             tasks, display_name, host=host, python=python, expansions=expansions