Remove duplicated word from Readme
Remove duplicated word from Readme

Remove repeated "instead"
AzureADSamples/Daemon-CertificateCredential-DotNet,AzureADSamples/Daemon-CertificateCredential-DotNet,Azure-Samples/active-directory-dotnet-daemon-certificate-credential,Azure-Samples/active-directory-dotnet-daemon-certificate-credential,AzureADSamples/Daemon-CertificateCredential-DotNet,Azure-Samples/active-directory-dotnet-daemon-certificate-credential