insns.dat: remove non-DREX SSE5 instructions
insns.dat: remove non-DREX SSE5 instructions

Even the non-DREX SSE5 instructions appear to have been either
obsoleted or replaced with XOP varieties.  The only exception are the
ROUNDxx instructions, which are really SSE4.1 instructions and which
were simply duplicates.

Signed-off-by: H. Peter Anvin <8a453bad9912ffe59bc0f0b8abe03df9be19379e@zytor.com>

projedi/nasm,Distrotech/nasm,turingstudio/nasm,techkey/nasm,projedi/nasm,Distrotech/nasm,turingstudio/nasm,projedi/nasm,letolabs/nasm,projedi/nasm,techkey/nasm,letolabs/nasm,techkey/nasm,Distrotech/nasm,Distrotech/nasm,turingstudio/nasm,letolabs/nasm,techkey/nasm,turingstudio/nasm,projedi/nasm,techkey/nasm