remove /dev/diag node

Bug: 18203257
Change-Id: I7b9a2bdf0df6511317d59aa13fc187ab38795481
diff --git a/init.mako.rc b/init.mako.rc
index 67a80d8..f84c0a9 100644
--- a/init.mako.rc
+++ b/init.mako.rc
@@ -231,6 +231,9 @@
     write /sys/devices/system/cpu/cpu2/cpufreq/scaling_min_freq 384000
     write /sys/devices/system/cpu/cpu3/cpufreq/scaling_min_freq 384000
 
+    # disable diag port
+    rm /dev/diag
+
 on charger
     # Enable Power modes and set the CPU Freq Sampling rates
     write /sys/module/rpm_resources/enable_low_power/L2_cache 1