To remove wbTeamPro manually from your WHMCS database you will need to run the following commands in a MySQL management console.

DROP tbladdon_wbteampro_action IF EXISTS;
DROP tbladdon_wbteampro_config IF EXISTS;
DROP tbladdon_wbteampro_extension IF EXISTS;
DROP tbladdon_wbteampro_file IF EXISTS;
DROP tbladdon_wbteampro_plg_autobilling_cfg IF EXISTS;
DROP tbladdon_wbteampro_plg_autobilling_history IF EXISTS;
DROP tbladdon_wbteampro_plg_log_history IF EXISTS;
DROP tbladdon_wbteampro_plg_notifications_cfg IF EXISTS;
DROP tbladdon_wbteampro_plg_notifications_history IF EXISTS;
DROP tbladdon_wbteampro_plg_yge_finance_payment IF EXISTS;
DROP tbladdon_wbteampro_project IF EXISTS;
DROP tbladdon_wbteampro_ticketxref IF EXISTS;
DROP tbladdon_wbteampro_timelog IF EXISTS;
DROP tbladdon_wbteampro_topic IF EXISTS;
DELETE FROM `tbladdonmodules` WHERE `module` = 'wbteampro';
UPDATE `tblconfiguration` SET `ActiveAddonModules` = REPLACE(`ActiveAddonModules`,'wbteampro','');
UPDATE `tblconfiguration` SET `ActiveAddonModules` = REPLACE(`ActiveAddonModules`,',,',',');
UPDATE `tblconfiguration` SET `AddonModulesHooks` = REPLACE(`AddonModulesHooks`,'wbteampro','');
UPDATE `tblconfiguration` SET `AddonModulesHooks` = REPLACE(`AddonModulesHooks`,',,',',');