Bug 1752072 - Remove check for RANLIB. r=firefox-build-system-reviewers,mhentges

It hasn't been used in the build system since bug 569597.

Differential Revision: https://phabricator.services.mozilla.com/D136987

Author: glandium

build/autoconf/toolchain.m4

@@ -79,7 +79,6 @@ esac
 AC_PROG_CC
 AC_PROG_CXX
 
-AC_CHECK_PROGS(RANLIB, "${TOOLCHAIN_PREFIX}ranlib", :)
 AC_CHECK_PROGS(LIPO, "${TOOLCHAIN_PREFIX}lipo", :)
 AC_CHECK_PROGS(OTOOL, "${TOOLCHAIN_PREFIX}otool", :)
 AC_CHECK_PROGS(INSTALL_NAME_TOOL, "${TOOLCHAIN_PREFIX}install_name_tool", :)

js/sub.configure

@@ -52,7 +52,6 @@ def old_js_configure_env(substs, mozconfig):
     for var in (
         "MOZ_DEV_EDITION",
         "STLPORT_LIBS",
-        "RANLIB",
     ):
         if var in substs:
             value = substs[var]