meson: remove automake legacy files

This concludes the move to meson

Signed-off-by: Andrew Geissler <geissonator@yahoo.com>
Change-Id: I4384a6c74dfbfa220e6b3d87f5f5a6c71e68341a
diff --git a/.gitignore b/.gitignore
index 743960e..378eac2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,52 +1 @@
-# Template from:
-# https://github.com/github/gitignore/blob/master/Autotools.gitignore
-
-# http://www.gnu.org/software/automake
-
-Makefile.in
-/ar-lib
-/mdate-sh
-/py-compile
-/test-driver
-/ylwrap
-
-# http://www.gnu.org/software/autoconf
-
-/autom4te.cache
-/autoscan.log
-/autoscan-*.log
-/aclocal.m4
-/compile
-/config.guess
-/config.h.in
-/config.sub
-/configure
-/configure.scan
-/depcomp
-/install-sh
-/missing
-/stamp-h1
-
-# https://www.gnu.org/software/libtool/
-/libtool
-/ltmain.sh
-
-# http://www.gnu.org/software/texinfo
-
-/texinfo.tex
-
-# Repo Specific Items
-/*.o
-/config.h
-/config.h.in~
-/config.log
-/config.status
-/phosphor-host-state-manager
-/phosphor-chassis-state-manager
-/phosphor-bmc-state-manager
-/phosphor-discover-system-state
-/phosphor-host-check
-Makefile
-.deps
-*-libtool
-/*.gc*
+build