Remove obsolete tcp buffer size system properties.

    chown system system /sys/kernel/ipv4/tcp_rmem_max

    chown root radio /proc/cmdline

    # Define TCP buffer sizes for various networks

    #   ReadMin, ReadInitial, ReadMax, WriteMin, WriteInitial, WriteMax,

    setprop net.tcp.buffersize.default  4096,87380,110208,4096,16384,110208

    setprop net.tcp.buffersize.wifi     524288,1048576,2097152,262144,524288,1048576

    setprop net.tcp.buffersize.ethernet 524288,1048576,3145728,524288,1048576,2097152

    setprop net.tcp.buffersize.lte      524288,1048576,2097152,262144,524288,1048576

    setprop net.tcp.buffersize.umts     58254,349525,1048576,58254,349525,1048576

    setprop net.tcp.buffersize.hspa     40778,244668,734003,16777,100663,301990

    setprop net.tcp.buffersize.hsupa    40778,244668,734003,16777,100663,301990

    setprop net.tcp.buffersize.hsdpa    61167,367002,1101005,8738,52429,262114

    setprop net.tcp.buffersize.hspap    122334,734003,2202010,32040,192239,576717

    setprop net.tcp.buffersize.edge     4093,26280,70800,4096,16384,70800

    setprop net.tcp.buffersize.gprs     4092,8760,48000,4096,8760,48000

    setprop net.tcp.buffersize.evdo     4094,87380,262144,4096,16384,262144

    # Define default initial receive window size in segments.

    setprop net.tcp.default_init_rwnd 60