Revert^2 "Introduce derive_classpath service." am: be3f8eabc8 am: 9c42120af7

Original change: https://android-review.googlesource.com/c/platform/packages/modules/SdkExtensions/+/1645673

Change-Id: Ie3342e8a01a7307a19ce35206057f5155d168c67
diff --git a/manifest.json b/manifest.json
index 92194e9..deeb29e 100644
--- a/manifest.json
+++ b/manifest.json
@@ -1,4 +1,4 @@
 {
   "name": "com.android.sdkext",
-  "version": 300900700
+  "version": 300000000
 }