slight refactor to browser code (#1374)

Author: mdcruz

src/data/markdown/docs/02 javascript api/07 k6-experimental/01 browser.md

@@ -59,9 +59,6 @@ export const options = {
       },
     },
   },
-  thresholds: {
-    checks: ["rate==1.0"]
-  }
 }
 
 export default async function () {
@@ -242,9 +239,6 @@ export const options = {
       },
     },
   },
-  thresholds: {
-    checks: ["rate==1.0"]
-  }
 }
 
 export default async function () {

src/data/markdown/docs/02 javascript api/07 k6-experimental/01 browser/01 Browser module.md

@@ -51,8 +51,7 @@ export const options = {
 }
 
 export default async function () {
-  const context = browser.newContext();
-  const page = context.newPage();
+  const page = browser.newPage();
 
   try {
     await page.goto('https://test.k6.io/my_messages.php');

src/data/markdown/translated-guides/en/03 Using k6 browser/01 Overview.md

@@ -40,9 +40,6 @@ Note that providing an `executor` and setting the `browser` scenario option's `t
         },
       },
     },
-    thresholds: {
-      checks: ["rate==1.0"]
-    }
   }
 
   export default async function () {
@@ -169,9 +166,6 @@ export const options = {
       },
     },
   },
-  thresholds: {
-    checks: ["rate==1.0"]
-  }
 }
 
 export default async function () {