Bug 1359988 - Remove mozharness configs for multi locale b2g builds; r=mshal

We shouldn't be running any automation related to Firefox OS. We should
be able to delete these files.

MozReview-Commit-ID: SY5f0GD9NQ

--HG--
extra : rebase_source : 3b7b5b28bc5da554ad9082c1c3115b3ab8de2e0a

testing/mozharness/configs/multi_locale/b2g_linux32.py

@@ -1,2 +0,0 @@
-config = {
-}

testing/mozharness/configs/multi_locale/b2g_linux64.py

@@ -1,2 +0,0 @@
-config = {
-}

testing/mozharness/configs/multi_locale/b2g_macosx64.py

@@ -1,2 +0,0 @@
-config = {
-}

testing/mozharness/configs/multi_locale/b2g_win32.py

@@ -1,8 +0,0 @@
-import sys
-
-config = {
-    "exes": {
-        "hg": "c:/mozilla-build/hg/hg",
-        "make": [sys.executable, "%(abs_work_dir)s/build/build/pymake/make.py"],
-    },
-}