Remove audio HAL V2 from "interfaces to dump"

This version is deprecated, not supported in Android S.

Bug: 171260360
Test: m
Change-Id: Ida070506f296c676f663c89778b295691c562cac
diff --git a/libs/dumputils/dump_utils.cpp b/libs/dumputils/dump_utils.cpp
index 3faf792..8b3c3ad 100644
--- a/libs/dumputils/dump_utils.cpp
+++ b/libs/dumputils/dump_utils.cpp
@@ -52,7 +52,6 @@
 
 /* list of hal interface to dump containing process during native dumps */
 static const char* hal_interfaces_to_dump[] {
-        "android.hardware.audio@2.0::IDevicesFactory",
         "android.hardware.audio@4.0::IDevicesFactory",
         "android.hardware.audio@5.0::IDevicesFactory",
         "android.hardware.audio@6.0::IDevicesFactory",