Webheadcoder Multi-Step Forms for Contact Form 7

Medium risk: 6 removed functions, 1 removed asset handle.

• The function cf7msm_init_sessions() was removed. Direct calls from a theme or another plugin will fatal.
• The function cf7msm_load_textdomain() was removed. Direct calls from a theme or another plugin will fatal.
• The function cfformfieldserror() was removed. Direct calls from a theme or another plugin will fatal.
• The function contact_form_7_form_codes() was removed. Direct calls from a theme or another plugin will fatal.
• The function wpcf7_cf7msm_back() was removed. Direct calls from a theme or another plugin will fatal.
• The function wpcf7_tg_pane_form() was removed. Direct calls from a theme or another plugin will fatal.
• The script/style handle cf7msm-admin-checkout is gone. Code that dequeues, or declares a dependency on, that handle is now wrong.