Backed out changeset 2ba41123a4e2 (bug 1473786) mac signing task failures and multiple other failures e.g. browser_all_files_referenced.js on a CLOSED TREE

browser/config/mozconfigs/macosx64/beta

@@ -7,6 +7,4 @@ fi
 ac_add_options --enable-official-branding
 ac_add_options --enable-verify-mar
 
-ac_add_options --enable-lto
-
 . "$topsrcdir/build/mozconfig.common.override"

browser/config/mozconfigs/macosx64/nightly

@@ -9,8 +9,6 @@ if test `uname -s` != Linux; then
   ac_add_options --enable-dtrace
 fi
 
-ac_add_options --enable-lto
-
 ac_add_options --with-branding=browser/branding/nightly
 
 . "$topsrcdir/build/mozconfig.common.override"

browser/config/mozconfigs/macosx64/release

@@ -10,8 +10,6 @@ fi
 ac_add_options --enable-official-branding
 ac_add_options --enable-verify-mar
 
-ac_add_options --enable-lto
-
 # safeguard against someone forgetting to re-set EARLY_BETA_OR_EARLIER in
 # defines.sh during the beta cycle
 export BUILDING_RELEASE=1