Remove validations

docs/validations.md

@@ -1,18 +0,0 @@
-# loopback-data-validations
-
-Built-in validators, creating custom validations, syncronous and asyncronous object validation.
-
-    // Setup validations
-    User.validatesPresenceOf('name', 'email')
-    User.validatesLengthOf('password', {min: 5, message: {min: 'Password is too short'}});
-    User.validatesInclusionOf('gender', {in: ['male', 'female']});
-    User.validatesExclusionOf('domain', {in: ['www', 'billing', 'admin']});
-    User.validatesNumericalityOf('age', {int: true});
-    User.validatesUniquenessOf('email', {message: 'email is not unique'});
-
-    user.isValid(function (valid) {
-        if (!valid) {
-            user.errors // hash of errors {attr: [errmessage, errmessage, ...], attr: ...}
-        }
-    })
-