fix(logging): remove unneeded forksafe unregister to avoid unneeded logging (#12193)

Removes unneeded forksafe unregister hook. The unregister is not needed,
because we never actually registered the hook to begin with.

## Checklist
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- The PR description articulates the motivation for the change
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strategy
- The PR description notes risks associated with the change, if any
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- The change includes or references documentation updates if necessary
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[applicable](https://ddtrace.readthedocs.io/en/latest/contributing.html#backporting))

## Reviewer Checklist
- [x] Reviewer has checked that all the criteria below are met 
- Title is accurate
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- Testing strategy adequately addresses listed risks
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Author: ZStriker19

ddtrace/internal/remoteconfig/worker.py

@@ -2,7 +2,6 @@
 from typing import List  # noqa:F401
 
 from ddtrace.internal import agent
-from ddtrace.internal import atexit
 from ddtrace.internal import forksafe
 from ddtrace.internal import periodic
 from ddtrace.internal.logger import get_logger
@@ -132,9 +131,6 @@ def disable(self, join=False):
         if self.status == ServiceStatus.STOPPED:
             return
 
-        forksafe.unregister(self.reset_at_fork)
-        atexit.unregister(self.disable)
-
         self.stop(join=join)
 
     def _stop_service(self, *args, **kwargs):

releasenotes/notes/remove_unneeded_unregister-ad20120201768a7e.yaml

@@ -0,0 +1,5 @@
+---
+fixes:
+  - |
+    logging: Resolves an an unneeded info log being logged on process exit
+    due to a forksafe hook being unregistered that was never registered to begin with.