Bug 1257904 - Remove YASM_MAJOR_VERSION/YASM_MINOR_VERSION. r=firefox-build-system-reviewers,mshal

They are entirely unused now.

Differential Revision: https://phabricator.services.mozilla.com/D16158

--HG--
extra : moz-landing-system : lando

build/moz.configure/toolchain.configure

@@ -67,26 +67,6 @@ def yasm_version(yasm):
     return Version(version)
 
 
-@depends_if(yasm_version)
-def yasm_major_version(yasm_version):
-    return str(yasm_version.major)
-
-
-@depends_if(yasm_version)
-def yasm_minor_version(yasm_version):
-    return str(yasm_version.minor)
-
-
-set_config('YASM_MAJOR_VERSION', yasm_major_version)
-set_config('YASM_MINOR_VERSION', yasm_minor_version)
-# Until we move all the yasm consumers out of old-configure.
-# bug 1257904
-add_old_configure_assignment('_YASM_MAJOR_VERSION',
-                             yasm_version.major)
-add_old_configure_assignment('_YASM_MINOR_VERSION',
-                             yasm_version.minor)
-
-
 @depends(yasm, target)
 def yasm_asflags(yasm, target):
     if yasm: