Remove leftover sse-c enabled cmd check

roles/custom/matrix-synapse/templates/synapse/ext/s3-storage-provider/usr-local-bin/matrix-synapse-s3-storage-provider-migrate.j2

@@ -10,5 +10,4 @@
 	--network={{ matrix_docker_network }} \
 	--entrypoint=/bin/bash \
 	{{ matrix_synapse_docker_image_final }} \
-	{% if matrix_synapse_ext_synapse_s3_storage_provider_config_sse_customer_enabled %}
 	-c 's3_media_upload update-db $UPDATE_DB_DURATION && s3_media_upload --no-progress check-deleted $MEDIA_PATH && s3_media_upload --no-progress upload $MEDIA_PATH $BUCKET --delete --storage-class $STORAGE_CLASS --endpoint-url $ENDPOINT {% if matrix_synapse_ext_synapse_s3_storage_provider_config_sse_customer_enabled %}--sse-customer-algo $SSE_CUSTOMER_ALGO --sse-customer-key $SSE_CUSTOMER_KEY{% endif %}'