Revert "[Argha, Luiza] Adding a test to verify if there's any instance for ureporter page"

This reverts commit 1c4370bdea2a1e6c3e64c37f16a3f219513e44bc.
Revert "[Argha, Luiza] trying to debug if the browser instance is available at all."

This reverts commit f06dac8d79c0c1fefe5adbdc9795acdf31ec941a.