Revert "Do not convert sdk_version: "none""

Revert submission 2786699-import-sdk-version-none

Reason for revert: b/306220520

Reverted changes: /q/submissionid:2786699-import-sdk-version-none

Change-Id: I309e269db70d9fedaf010ef44791516392fcb4ea
diff --git a/java/java.go b/java/java.go
index 1b9941c..0594a8b 100644
--- a/java/java.go
+++ b/java/java.go
@@ -2970,10 +2970,6 @@
 		// TODO(b/297356582): handle core_platform in bp2build
 		ctx.MarkBp2buildUnconvertible(bp2build_metrics_proto.UnconvertedReasonType_PROPERTY_UNSUPPORTED, "sdk_version core_platform")
 		return &javaCommonAttributes{}, &bp2BuildJavaInfo{}, false
-	} else if proptools.String(m.deviceProperties.Sdk_version) == "none" {
-		// TODO(b/297356703): handle system_modules
-		ctx.MarkBp2buildUnconvertible(bp2build_metrics_proto.UnconvertedReasonType_PROPERTY_UNSUPPORTED, "sdk_version none")
-		return &javaCommonAttributes{}, &bp2BuildJavaInfo{}, false
 	}
 
 	archVariantProps := m.GetArchVariantProperties(ctx, &CommonProperties{})