Sync with Underscore.

Former-commit-id: 2e3aacd53fef6d22d830dbc2d6c220808aea8739

build.js

@@ -31,7 +31,6 @@
     'head': 'first',
     'include': 'contains',
     'inject': 'reduce',
-    'intersect': 'intersection',
     'methods': 'functions',
     'select': 'filter',
     'tail': 'rest',
@@ -48,7 +47,6 @@
     'first': ['head', 'take'],
     'forEach': ['each'],
     'functions': ['methods'],
-    'intersection': ['intersect'],
     'map': ['collect'],
     'reduce': ['foldl', 'inject'],
     'reduceRight': ['foldr'],