toolchain: do not reference toolchain from new_build_env.py

new_build_env.py

@@ -67,9 +67,6 @@ def main():
 
     # Don't think too much about it
     options = eval(str(options))
-    toolchain_file = "%(REPODIR)s/toolchain/%(ARCH)s.cmake" % {"ARCH": conf.arch.self,
-                                                               "REPODIR": base_dir}
-    logging.info("Toolchain File: %s", toolchain_file)
     config.check_constraints(config.constraints, conf)
 
     if options["CLEAN"]:
@@ -87,7 +84,6 @@ def main():
         fd.write(pprint.pformat(cmdline_config))
 
     subprocess.call(["cmake", "-DCMAKE_EXPORT_COMPILE_COMMANDS=ON",
-                     '-DCMAKE_TOOLCHAIN_FILE=%s' % toolchain_file,
                      "-DCMAKE_BUILD_TYPE=Release",
                      "-G", generator_dict[conf.generator],
                      "-DFAIL_TRACE_ALL=%s" % options["FAIL_TRACE_ALL"],