Remove unused dependency_suffix option.

Test: Ran cargo2android.py, no change to Android.bp
Change-Id: I882774e11e9c1df8874e64117a75c1744742723f
diff --git a/cargo2android.json b/cargo2android.json
index dcfd6f1..973f0f9 100644
--- a/cargo2android.json
+++ b/cargo2android.json
@@ -12,7 +12,6 @@
       "device": true,
       "no-host": true,
       "add-module-block": "cargo2android_viz.bp",
-      "dependency_suffix": "_nostd",
       "force-rlib": true,
       "suffix": "_nostd",
       "no-std": true