Refactor sport and game type selection in app.py for improved clarity

- Changed session state assignments for sport and game type selections to local variables, enhancing code readability and maintainability.
- This update streamlines the selection process and prepares for potential future enhancements in user interaction.

app.py

@@ -185,8 +185,8 @@ if selected_tab == 'Data Load':
         sport_options, date_options = st.columns(2)
         parse_type = 'Manual'
         with sport_options:
-            st.session_state['sport_select'] = st.selectbox("Select Sport", ['MLB', 'MMA', 'GOLF', 'NBA', 'NHL', 'WNBA', 'NAS'], key='sport_select')
-            st.session_state['type_var'] = st.selectbox("Select Game Type", ['Classic', 'Showdown'], key='type_var')
+            sport_select = st.selectbox("Select Sport", ['MLB', 'MMA', 'GOLF', 'NBA', 'NHL', 'WNBA', 'NAS'], key='sport_select')
+            type_var = st.selectbox("Select Game Type", ['Classic', 'Showdown'], key='type_var')
             try:
                 contest_names, curr_info = grab_contest_names(db, st.session_state['sport_select'], st.session_state['type_var'])
             except: