Don't export deprecate API

lib/common/api/exports/electron.js

@@ -29,12 +29,6 @@ exports.defineProperties = function (exports) {
         return require('../crash-reporter')
       }
     },
-    deprecations: {
-      enumerable: true,
-      get: function () {
-        return require('../deprecations')
-      }
-    },
     nativeImage: {
       enumerable: true,
       get: function () {
@@ -53,11 +47,6 @@ exports.defineProperties = function (exports) {
       get: function () {
         return require('../callbacks-registry')
       }
-    },
-    deprecate: {
-      get: function () {
-        return require('../deprecate')
-      }
     }
   })
 }