chore: [ShoppingMerchantProducts] removing parameter before client library generation #5396

Job	Run time
Dev Commands Unit Tests	52s
Package Tests	12m 55s
Package Tests (Lowest Dependencies)	11m 19s
PHP 8.1 Unit Test (ubuntu-latest)	5m 4s
PHP 8.4 Unit Test (ubuntu-latest)	4m 40s
PHP 8.3 Unit Test (ubuntu-latest)	4m 29s
PHP 8.1 Unit Test (windows-latest)	5m 21s
PHP 8.3 Unit Test (windows-latest)	4m 42s
PHP 8.1 Unit Test + protobuf extension (ubuntu-latest)	4m 36s
PHP 8.4 Unit Test (windows-latest)	4m 37s
PHP 8.2 Unit Test (windows-latest)	5m 32s
PHP 8.2 Unit Test (ubuntu-latest)	5m 20s
	1h 9m 27s

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