Removes broken test following changes in how image traces check userAgent

Author: antoinerg

test/jasmine/tests/image_test.js

@@ -14,8 +14,6 @@ var assertHoverLabelContent = customAssertions.assertHoverLabelContent;
 var supplyAllDefaults = require('../assets/supply_defaults');
 var Fx = require('@src/components/fx');
 
-var incompatibleUserAgent = 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_4) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/13.1 Safari/605.1.15';
-
 describe('image supplyDefaults', function() {
     'use strict';
 
@@ -422,25 +420,6 @@ describe('image plot', function() {
         .then(done);
     });
 
-    [
-        incompatibleUserAgent
-    ].forEach(function(userAgent) {
-        it('does not render pixelated image when browser is not compatible', function(done) {
-            var mock = require('@mocks/image_labuda_droplets_source.json');
-            var mockCopy = Lib.extendDeep({}, mock);
-            var spyObj = spyOnProperty(window.navigator, 'userAgent').and.returnValue(userAgent);
-
-            Plotly.newPlot(gd, mockCopy)
-            .then(function(gd) {
-                expect(gd.calcdata[0][0].trace._fastImage).toBe(false);
-                // Clear spy
-                spyObj.and.callThrough();
-            })
-            .catch(failTest)
-            .then(done);
-        });
-    });
-
     [
       ['yaxis.type', 'log'],
       ['xaxis.type', 'log'],