meson support: remove autoconf

This commit removes the deprecated autoconf makefiles, artifacts, and
service files which have autoconf-style naming (*.in).

Signed-off-by: Mike Capps <mikepcapps@gmail.com>
Change-Id: I9c0e6162798c235f899aeb5cd9ecea1a0eee29a5
diff --git a/.gitignore b/.gitignore
index 59ede25..49ec928 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,37 +1,4 @@
-.deps*

-.libs*

-Makefile

-Makefile.in

-aclocal.m4

-ar-lib

-*-libtool

-autom4te.cache*

-compile

-config.*

-!config.json

-configure

-depcomp

-install-sh

-ltmain.sh

-missing

-stamp-h1

-*.la

-*.lo

-*.o

-phosphor-fan-presence-tach

-phosphor-fan-control

-control/fanctl

-fan_zone_defs.cpp

-phosphor-fan-monitor

-phosphor-cooling-type

-fan_monitor_defs.cpp

-test-driver

-*.sw*

-*.log

-*.trs

-*_test

-libtool

-*.service

 build*/

 subprojects/*

 !subprojects/*.wrap

+*.o