Replace PlayWright links with k6 Browser ones (#1663)

Author: andrewslotin

docs/sources/next/javascript-api/k6-browser/browsercontext/setdefaultnavigationtimeout.md

@@ -5,7 +5,7 @@ description: 'Sets the default navigation timeout in milliseconds.'
 
 # setDefaultNavigationTimeout(timeout)
 
-Sets the default maximum navigation timeout for [Page.goto()](https://playwright.dev/docs/api/class-page#page-goto).
+Sets the default maximum navigation timeout for [Page.goto()](https://grafana.com/docs/k6/<K6_VERSION>/javascript-api/k6-browser/page/goto).
 
 | Parameter | Type   | Default                  | Description                  |
 | --------- | ------ | ------------------------ | ---------------------------- |

docs/sources/next/javascript-api/k6-browser/request/size.md

@@ -5,7 +5,7 @@ description: 'Browser module: Request.size method'
 
 # size()
 
-Similar to Playwright's [`request.sizes()`](https://playwright.dev/docs/api/class-request#request-sizes), this method returns the size (in bytes) of body and header sections of the [Request](https://grafana.com/docs/k6/<K6_VERSION>/javascript-api/k6-browser/request).
+This method returns the size (in bytes) of body and header sections of the [Request](https://grafana.com/docs/k6/<K6_VERSION>/javascript-api/k6-browser/request).
 
 ### Returns
 

docs/sources/v0.52.x/javascript-api/k6-browser/browsercontext/setdefaultnavigationtimeout.md

@@ -5,7 +5,7 @@ description: 'Sets the default navigation timeout in milliseconds.'
 
 # setDefaultNavigationTimeout(timeout)
 
-Sets the default maximum navigation timeout for [Page.goto()](https://playwright.dev/docs/api/class-page#page-goto).
+Sets the default maximum navigation timeout for [Page.goto()](https://grafana.com/docs/k6/<K6_VERSION>/javascript-api/k6-browser/page/goto).
 
 | Parameter | Type   | Default                  | Description                  |
 | --------- | ------ | ------------------------ | ---------------------------- |

docs/sources/v0.52.x/javascript-api/k6-browser/request/size.md

@@ -5,7 +5,7 @@ description: 'Browser module: Request.size method'
 
 # size()
 
-Similar to Playwright's [`request.sizes()`](https://playwright.dev/docs/api/class-request#request-sizes), this method returns the size (in bytes) of body and header sections of the [Request](https://grafana.com/docs/k6/<K6_VERSION>/javascript-api/k6-browser/request).
+This method returns the size (in bytes) of body and header sections of the [Request](https://grafana.com/docs/k6/<K6_VERSION>/javascript-api/k6-browser/request).
 
 ### Returns