chore: remove ignore to run MavenSmokeTest on JDK26

Author: daniel-mohedano

dd-smoke-tests/maven/src/test/groovy/datadog/smoketest/MavenSmokeTest.groovy

@@ -32,9 +32,6 @@ import java.util.concurrent.TimeoutException
 
 import static org.junit.jupiter.api.Assumptions.assumeTrue
 
-@IgnoreIf(reason = "TODO: Fix for Java 26. Maven compiler fails to compile the tests for Java 26-ea.", value = {
-  JavaVirtualMachine.isJavaVersionAtLeast(26)
-})
 @IgnoreIf(reason = "IBM8 has flaky AES-GCM TLS failures when downloading Maven artifacts", value = {
   JavaVirtualMachine.isIbm8()
 })