[fix] remove validation to disallow lower rate
[fix] remove validation to disallow lower rate

gangadharkadam/saloon_erp,indictranstech/erpnext,MartinEnder/erpnext-de,sagar30051991/ozsmart-erp,indictranstech/biggift-erpnext,indictranstech/trufil-erpnext,mbauskar/helpdesk-erpnext,shft117/SteckerApp,meisterkleister/erpnext,indictranstech/osmosis-erpnext,mbauskar/omnitech-erpnext,indictranstech/osmosis-erpnext,indictranstech/erpnext,shft117/SteckerApp,gangadharkadam/saloon_erp_install,mbauskar/alec_frappe5_erpnext,ShashaQin/erpnext,meisterkleister/erpnext,SPKian/Testing2,mbauskar/omnitech-erpnext,SPKian/Testing,indictranstech/biggift-erpnext,shft117/SteckerApp,indictranstech/biggift-erpnext,indictranstech/trufil-erpnext,mahabuber/erpnext,geekroot/erpnext,aruizramon/alec_erpnext,meisterkleister/erpnext,aruizramon/alec_erpnext,anandpdoshi/erpnext,indictranstech/osmosis-erpnext,gangadhar-kadam/helpdesk-erpnext,susuchina/ERPNEXT,MartinEnder/erpnext-de,njmube/erpnext,mbauskar/alec_frappe5_erpnext,SPKian/Testing,Aptitudetech/ERPNext,anandpdoshi/erpnext,indictranstech/osmosis-erpnext,mbauskar/alec_frappe5_erpnext,shft117/SteckerApp,mbauskar/helpdesk-erpnext,gsnbng/erpnext,indictranstech/erpnext,anandpdoshi/erpnext,gangadharkadam/saloon_erp,geekroot/erpnext,hatwar/buyback-erpnext,mbauskar/sapphire-erpnext,gsnbng/erpnext,ShashaQin/erpnext,hatwar/buyback-erpnext,mbauskar/alec_frappe5_erpnext,gsnbng/erpnext,hatwar/buyback-erpnext,gangadhar-kadam/helpdesk-erpnext,gangadhar-kadam/helpdesk-erpnext,gangadharkadam/v6_erp,gangadharkadam/saloon_erp,njmube/erpnext,njmube/erpnext,gangadhar-kadam/helpdesk-erpnext,SPKian/Testing2,ShashaQin/erpnext,geekroot/erpnext,mahabuber/erpnext,gangadharkadam/saloon_erp_install,gangadharkadam/saloon_erp_install,mbauskar/sapphire-erpnext,sagar30051991/ozsmart-erp,mbauskar/omnitech-erpnext,sagar30051991/ozsmart-erp,mahabuber/erpnext,susuchina/ERPNEXT,SPKian/Testing2,indictranstech/trufil-erpnext,SPKian/Testing2,anandpdoshi/erpnext,gangadharkadam/saloon_erp_install,susuchina/ERPNEXT,mbauskar/sapphire-erpnext,mbauskar/omnitech-erpnext,indictranstech/biggift-erpnext,mbauskar/helpdesk-erpnext,SPKian/Testing,geekroot/erpnext,aruizramon/alec_erpnext,mahabuber/erpnext,sagar30051991/ozsmart-erp,hatwar/buyback-erpnext,aruizramon/alec_erpnext,gangadharkadam/saloon_erp,indictranstech/erpnext,gangadharkadam/v6_erp,mbauskar/helpdesk-erpnext,gsnbng/erpnext,MartinEnder/erpnext-de,MartinEnder/erpnext-de,SPKian/Testing,gangadharkadam/v6_erp,gangadharkadam/v6_erp,njmube/erpnext,meisterkleister/erpnext,indictranstech/trufil-erpnext,susuchina/ERPNEXT,mbauskar/sapphire-erpnext,ShashaQin/erpnext