Remove an obsolete/duplicate part of a document.

llvm-svn: 296304

lld/docs/NewLLD.rst

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 The ELF and COFF Linkers
 ========================
 
-We started rewriting the ELF (Unix) and COFF (Windows) linkers in May 2015.
-Since then, we have been making a steady progress towards providing
-drop-in replacements for the system linkers.
-
-Currently, the Windows support is mostly complete and is about 2x faster
-than the linker that comes as a part of Micrsoft Visual Studio toolchain.
-
-The ELF support is in progress and is able to link large programs
-such as Clang or LLD itself. Unless your program depends on linker scripts,
-you can expect it to be linkable with LLD.
-It is currently about 1.2x to 2x faster than GNU gold linker.
-We aim to make it a drop-in replacement for the GNU linker.
-
-We expect that FreeBSD is going to be the first large system
-to adopt LLD as the system linker.
-We are working on it in collaboration with the FreeBSD project.
-
-The linkers are notably small; as of October 2016,
-the COFF linker is about 7k lines and the ELF linker is about 18k lines,
-while gold is 165K lines.
-
-The linkers are designed to be as fast and simple as possible.
-Because it is simple, it is easy to extend to support new features.
-It already supports several advanced features such section garbage
-collection and identical code folding.
-
-The COFF linker supports i386, x86-64 and ARM. The ELF linker supports
-i386, x86-64, x32, MIPS32, MIPS64, PowerPC, AMDGPU, ARM and Aarch64,
-although the quality varies depending on platform. By default, LLD
-provides support for all targets because the amount of code we have for
-each target is so small. We do not even provide a way to disable
-targets at compile time.
-
-There are a few key design choices that we made to achieve these goals.
-We will describe them in this document.
-
 The ELF Linker as a Library
 ---------------------------