Remove libjavacrypto from system image.

The only copy needed is the one in the Conscrypt APEX.

Bug: 123925742
Test: m
Change-Id: Ieea8549d047750cf3580d6fe0204fdf55b6b8394
diff --git a/CleanSpec.mk b/CleanSpec.mk
index 3f1721f..a82a0bd 100644
--- a/CleanSpec.mk
+++ b/CleanSpec.mk
@@ -625,6 +625,8 @@
 
 # Clean up adb_debug.propr
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/etc/adb_debug.prop)
+
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/lib*/libjavacrypto.so)
 # ************************************************
 # NEWER CLEAN STEPS MUST BE AT THE END OF THE LIST
 # ************************************************