Fix lint after hiding Pro tier

Author: Alek99

pcweb/pages/pricing/plan_cards.py

@@ -7,7 +7,6 @@
 from reflex_ui.blocks.demo_form import demo_form_dialog
 
 from pcweb.components.hosting_banner import HostingBannerState
-from pcweb.components.number_flow import number_flow
 from pcweb.constants import PRO_TIERS_TABLE, REFLEX_BUILD_URL, REFLEX_CLOUD_URL
 
 YEARLY_MONTHS_FREE = 2  # 2 months free