Remove MEMOPMEM x64 NaCL macros

MEMOPMEM macros are deprecated in row.h

Usage examples
    MEMOPMEM(vmovdqu,ymm0,0x00,0,1,1)          //  vmovdqu %%ymm0,(%0,%1)
    MEMOPMEM(movdqu,xmm2,0x00,1,0,1)

Regular expressions to remove MEMACCESS macros:

MEMOPMEM\((.*),(.*),(.*),(.*),(.*),(.*)\)(.*)(//.*)
"\1    %%\2,\3(%\4,%\5,\6)\7 \\n"

MEMOPMEM\((.*),(.*),(.*),(.*),(.*),(.*)\)
"\1    %%\2,\3(%\4,%\5,\6)            \\n"

TBR=braveyao@chromium.org
Bug: libyuv:702
Test: try bots pass
Change-Id: Id8c6963d544d16e39bb6a9a0536babfb7f554b3a
Reviewed-on: https://chromium-review.googlesource.com/865934Reviewed-by: Frank Barchard <fbarchard@chromium.org>

include/libyuv/row.h

@@ -578,9 +578,6 @@ extern const struct YuvConstants SIMD_ALIGNED(kYvuH709Constants);  // BT.709
 // NaCL macros for GCC x64 - deprecated.
 #define MEMOPREG(opcode, offset, base, index, scale, reg) \
   #opcode " " #offset "(%" #base ",%" #index "," #scale "),%%" #reg "\n"
-#define MEMOPMEM(opcode, reg, offset, base, index, scale) \
-  #opcode " %%" #reg "," #offset "(%" #base ",%" #index "," #scale ")\n"
-
 
 // Intel Code Analizer markers.  Insert IACA_START IACA_END around code to be
 // measured and then run with iaca -64 libyuv_unittest.