Update configuration-provider-overview.md

Author: mrm9084

articles/azure-app-configuration/configuration-provider-overview.md

@@ -59,7 +59,6 @@ Configuration Setting Mapping | [GA](./reference-dotnet-provider.md#configuratio
 Key Vault References | [GA](./reference-dotnet-provider.md#key-vault-reference) | [GA](/azure/developer/java/spring-framework/app-configuration-support#key-vault-references) | GA | [GA](./reference-python-provider.md#key-vault-reference) | [GA](./reference-javascript-provider.md#key-vault-reference) | [GA](./reference-go-provider.md#key-vault-reference)
 Key Vault Secret Refresh | [GA](./reference-dotnet-provider.md#key-vault-secret-refresh) | WIP | GA | [GA](./reference-python-provider.md#key-vault-secret-refresh) | [GA](./reference-javascript-provider.md#key-vault-secret-refresh) | [GA](./reference-go-provider.md#key-vault-secret-refresh)
 Custom Key Vault Secret Resolution | [GA](./reference-dotnet-provider.md#key-vault-reference) | [GA](/azure/developer/java/spring-framework/app-configuration-support#resolve-non-key-vault-secrets) | GA | [GA](./reference-python-provider.md#secret-resolver) | [GA](./reference-javascript-provider.md#key-vault-reference) | [GA](./reference-go-provider.md#custom-secret-resolver)
-upstream/main
 Parallel Secret Resolution | WIP | N/A | WIP | N/A | [GA](./reference-javascript-provider.md#parallel-secret-resolution) | GA
 Feature Flags | [GA](./reference-dotnet-provider.md#feature-flag) | [GA](/azure/developer/java/spring-framework/app-configuration-support#feature-management) | GA | [GA](./reference-python-provider.md#feature-flag-refresh) | [GA](./reference-javascript-provider.md#feature-flag) | [GA](./reference-go-provider.md#feature-flags)
 Variant Feature Flags | [GA](./reference-dotnet-provider.md#feature-flag) | GA | GA | GA | [GA](./reference-javascript-provider.md#feature-flag) | [GA](./reference-go-provider.md#feature-flags)