Fix lint error in SsoAccessTokenProvider.kt

Author: rli

plugins/core/jetbrains-community/src/software/aws/toolkits/jetbrains/core/credentials/sso/SsoAccessTokenProvider.kt

@@ -17,7 +17,6 @@ import software.amazon.awssdk.services.ssooidc.model.CreateTokenResponse
 import software.amazon.awssdk.services.ssooidc.model.InvalidClientException
 import software.amazon.awssdk.services.ssooidc.model.InvalidRequestException
 import software.amazon.awssdk.services.ssooidc.model.SlowDownException
-import software.amazon.awssdk.services.ssooidc.model.SsoOidcException
 import software.aws.toolkits.core.utils.getLogger
 import software.aws.toolkits.core.utils.warn
 import software.aws.toolkits.jetbrains.core.credentials.sono.SONO_URL