Backed out 7 changesets (bug 1377007) for web platform reftests failures on CSS2/borders. r=backout

Backed out changeset c30bc5d5adbc (bug 1377007)
Backed out changeset 33fdf9e531e2 (bug 1377007)
Backed out changeset 267abdb38036 (bug 1377007)
Backed out changeset 4a452c3ac115 (bug 1377007)
Backed out changeset e9310960c9e6 (bug 1377007)
Backed out changeset 8e5e61dfbbaf (bug 1377007)
Backed out changeset 9ac83e79e656 (bug 1377007)

Author: nbeleuzu

.eslintignore

@@ -307,7 +307,6 @@ js/xpconnect/**
 js/src/devtools/**
 js/src/octane/**
 js/src/jit-test/**
-js/src/jsapi-tests/binast/**
 js/src/tests/**
 js/src/Y.js
 

js/moz.configure

@@ -408,18 +408,3 @@ def enable_pipeline_operator(value):
 
 set_config('ENABLE_PIPELINE_OPERATOR', enable_pipeline_operator)
 set_define('ENABLE_PIPELINE_OPERATOR', enable_pipeline_operator)
-
-
-
-# Experimental support for BinAST
-# ==============================================================
-
-@depends(target, milestone)
-def enable_build_binast(target, milestone):
-    # For reasons unknown at this time, BinAST causes timeouts on win32
-    # and failures on Android.
-    if milestone.is_nightly and not (target.kernel == 'WINNT' and target.cpu == 'x86') and not (target.os == 'Android'):
-        return True
-
-set_define('JS_BUILD_BINAST', enable_build_binast)
-set_config('JS_BUILD_BINAST', enable_build_binast)