Remove obsolete tcp buffer size system properties.

These were deprecated back in 2014.  It's time to remove them now.

Test: None
Change-Id: I5eccb993a7981b555e7c1ac3848f2151f7708de6
diff --git a/init.common.rc b/init.common.rc
index 552acad..b10742e 100644
--- a/init.common.rc
+++ b/init.common.rc
@@ -466,10 +466,6 @@
 
     setprop wifi.interface wlan0
 
-    # Define TCP buffer sizes for various networks
-    # ReadMin, ReadInitial, ReadMax, WriteMin, WriteInitial, WriteMax,
-    setprop net.tcp.buffersize.wifi 524288,2097152,4194304,262144,524288,1048576
-
     setprop ro.telephony.call_ring.multiple false
 
     # Remove SUID bit for iproute2 ip tool
@@ -484,19 +480,6 @@
     chown radio radio /dev/at_mdm0
     chown radio radio /dev/at_usb0
 
-    # Define TCP buffer sizes for various networks
-    # ReadMin, ReadInitial, ReadMax, WriteMin, WriteInitial, WriteMax,
-    setprop net.tcp.buffersize.default 4096,87380,524288,4096,16384,110208
-    setprop net.tcp.buffersize.lte     2097152,4194304,8388608,262144,524288,1048576
-    setprop net.tcp.buffersize.umts    4094,87380,110208,4096,16384,110208
-    setprop net.tcp.buffersize.hspa    4094,87380,1220608,4096,16384,1220608
-    setprop net.tcp.buffersize.hsupa   4094,87380,1220608,4096,16384,1220608
-    setprop net.tcp.buffersize.hsdpa   4094,87380,1220608,4096,16384,1220608
-    setprop net.tcp.buffersize.hspap   4094,87380,1220608,4096,16384,1220608
-    setprop net.tcp.buffersize.edge    4093,26280,35040,4096,16384,35040
-    setprop net.tcp.buffersize.gprs    4092,8760,11680,4096,8760,11680
-    setprop net.tcp.buffersize.evdo    4094,87380,524288,4096,16384,262144
-
     setprop net.tcp.2g_init_rwnd 10
 
     # Assign TCP buffer thresholds to be ceiling value of technology maximums