Disable try and catch for the play button observer

[JohnyP36]

Any additions, changes or removals is at the Authors discretion.
You're free to counterargue (to a certain point) if you disagree with the decision.
To avoid being banned, don't constantly re-open or create new (related) issue reports or pull requests.

Prerequisites

• I've read the Code of Conduct and the Contributing Guidelines
• This is more than one or two issue(s)
  • Otherwise open a new issue
• I performed a cursory search of the issue tracker to avoid opening a duplicate issue
  • Your issue may already be reported.
• I tried to reproduce the issue when...
  • Other webextensions related to Youtube are disabled
  • using a new, unmodified browser profile
• I am running the latest version of the extension

Describe the issue

See #22 : extension seems to keep reloading by certain users Google/YT blocks using and Adblocker.

Browser & Extension version

Browser name & version	Extension Version	Operating System
`Firefox 119`	`2.0.9.2`	`Windows 10, 22H2`

Notes

Basically reverts halve of 4e76d40.

Disadvantage: if the extension couldn't find the play button if will simply stop working and you have to manually reload the webpage.

[github-actions]

This pull request has been automatically marked as stale because it has not had recent activity.

[JohnyP36]

As per issue #22 Constant Reloading After Ublock/Google Changes to Ads, I can't reproduce this issue.
Although in the newest version of this extension in the Firefox Add-ons this "problem" got patched, I will not change it in the core code on this repo - as explained earlier.