Update main.tsp (#29221)

Author: msyyc

specification/informatica/Informatica.DataManagement/main.tsp

@@ -2,7 +2,6 @@ import "@typespec/rest";
 import "@typespec/openapi";
 import "@typespec/versioning";
 import "@azure-tools/typespec-azure-core";
-import "@azure-tools/typespec-apiview";
 import "@azure-tools/typespec-azure-resource-manager";
 
 @armProviderNamespace