feat: remove unsupported clients

@sp-api-sdk/reports-api-2020-09-04
@sp-api-sdk/feeds-api-2020-09-04

Author: tusbar

README.md

@@ -56,7 +56,6 @@ ls clients | sed 's$\(.*\)$- [\1](https://www.github.com/bizon/selling-partner-a
 - [easy-ship-api-2022-03-23](https://www.github.com/bizon/selling-partner-api-sdk/tree/master/clients/easy-ship-api-2022-03-23)
 - [fba-inbound-eligibility-api-v1](https://www.github.com/bizon/selling-partner-api-sdk/tree/master/clients/fba-inbound-eligibility-api-v1)
 - [fba-inventory-api-v1](https://www.github.com/bizon/selling-partner-api-sdk/tree/master/clients/fba-inventory-api-v1)
-- [feeds-api-2020-09-04](https://www.github.com/bizon/selling-partner-api-sdk/tree/master/clients/feeds-api-2020-09-04)
 - [feeds-api-2021-06-30](https://www.github.com/bizon/selling-partner-api-sdk/tree/master/clients/feeds-api-2021-06-30)
 - [finances-api-2024-06-19](https://www.github.com/bizon/selling-partner-api-sdk/tree/master/clients/finances-api-2024-06-19)
 - [finances-api-v0](https://www.github.com/bizon/selling-partner-api-sdk/tree/master/clients/finances-api-v0)
@@ -77,7 +76,6 @@ ls clients | sed 's$\(.*\)$- [\1](https://www.github.com/bizon/selling-partner-a
 - [product-pricing-api-v0](https://www.github.com/bizon/selling-partner-api-sdk/tree/master/clients/product-pricing-api-v0)
 - [product-type-definitions-api-2020-09-01](https://www.github.com/bizon/selling-partner-api-sdk/tree/master/clients/product-type-definitions-api-2020-09-01)
 - [replenishment-api-2022-11-07](https://www.github.com/bizon/selling-partner-api-sdk/tree/master/clients/replenishment-api-2022-11-07)
-- [reports-api-2020-09-04](https://www.github.com/bizon/selling-partner-api-sdk/tree/master/clients/reports-api-2020-09-04)
 - [reports-api-2021-06-30](https://www.github.com/bizon/selling-partner-api-sdk/tree/master/clients/reports-api-2021-06-30)
 - [sales-api-v1](https://www.github.com/bizon/selling-partner-api-sdk/tree/master/clients/sales-api-v1)
 - [seller-wallet-api-2024-03-01](https://www.github.com/bizon/selling-partner-api-sdk/tree/master/clients/seller-wallet-api-2024-03-01)