binderThroughputTest: drop useless arguments read

These reads were likely added at a point where the arguments were not
being used yes to suppress compiler warnings. Either way they are no
longer needed here so remove them.

Change-Id: I152bd77902626f7e9a63ec185d1ee29d637f2261
Signed-off-by: Carlos Llamas <cmllamas@google.com>
diff --git a/libs/binder/tests/binderThroughputTest.cpp b/libs/binder/tests/binderThroughputTest.cpp
index 0ea4a3f..f93a19d 100644
--- a/libs/binder/tests/binderThroughputTest.cpp
+++ b/libs/binder/tests/binderThroughputTest.cpp
@@ -340,8 +340,6 @@
     int payload_size = 0;
     bool cs_pair = false;
     bool training_round = false;
-    (void)argc;
-    (void)argv;
 
     // Parse arguments.
     for (int i = 1; i < argc; i++) {