Target Java 21 wherever Java 17 was being targeted

Bug: 342332820
Change-Id: I640f1175a81bc3d8ef9707968e274d9eb33a9356
Test: TH
diff --git a/java/sdk.go b/java/sdk.go
index 036521c..bb2aa8d 100644
--- a/java/sdk.go
+++ b/java/sdk.go
@@ -65,8 +65,6 @@
 		return JAVA_VERSION_9
 	} else if sdk.FinalOrFutureInt() <= 33 {
 		return JAVA_VERSION_11
-	} else if sdk.FinalOrFutureInt() <= 35 {
-		return JAVA_VERSION_17
 	} else if ctx.Config().TargetsJava21() {
 		// Build flag that controls whether Java 21 is used as the
 		// default target version, or Java 17.