Bug 1251629 - remove unused reference to PREDICTOR_TESTS in netwerk/base/moz.build. r=nwgh

MozReview-Commit-ID: DMfX8ZCzbT

--HG--
extra : rebase_source : 198e78d68c9af6fbc0e13e101735a433a1de1f16

netwerk/base/moz.build

@@ -309,8 +309,5 @@ if CONFIG['MOZ_ENABLE_QTNETWORK']:
         '/netwerk/system/qt',
     ]
 
-if CONFIG['ENABLE_TESTS']:
-    DEFINES['PREDICTOR_TESTS'] = True
-
 if CONFIG['MOZ_ENABLE_QTNETWORK']:
     CXXFLAGS += CONFIG['MOZ_QT_CFLAGS']