Remove webviewchromium from PRODUCT_BOOT_JARS.

The WebView Java code is now loaded by WebViewFactory from an APK
when an app needs it, so remove the old jar from the boot classpath.

Bug: 16329371
Change-Id: Ibed49641d04fd5e93e26ab12e203e4596e0b3bb6
diff --git a/target/product/core_minimal.mk b/target/product/core_minimal.mk
index 9cd2903..3bc37f1 100644
--- a/target/product/core_minimal.mk
+++ b/target/product/core_minimal.mk
@@ -71,8 +71,7 @@
     framework2 \
     android.policy \
     services \
-    apache-xml \
-    webviewchromium
+    apache-xml
 
 PRODUCT_RUNTIMES := runtime_libart_default