chore: removing owlbot directives for conversion to main (#855)

* chore: removing owlbot directives for conversion to main

* update lock file
diff --git a/.github/.OwlBot.lock.yaml b/.github/.OwlBot.lock.yaml
index 9ee60f7..c07f148 100644
--- a/.github/.OwlBot.lock.yaml
+++ b/.github/.OwlBot.lock.yaml
@@ -1,3 +1,3 @@
 docker:
   image: gcr.io/repo-automation-bots/owlbot-python:latest
-  digest: sha256:aea14a583128771ae8aefa364e1652f3c56070168ef31beb203534222d842b8b
+  digest: sha256:0ffe3bdd6c7159692df5f7744da74e5ef19966288a6bf76023e8e04e0c424d7d
diff --git a/owlbot.py b/owlbot.py
index 61cf128..58aa53a 100644
--- a/owlbot.py
+++ b/owlbot.py
@@ -25,9 +25,4 @@
     'value: "docs"',
 )
 
-# Remove the replacement below once https://github.com/googleapis/synthtool/pull/1188 is merged
-
-# Update googleapis/repo-automation-bots repo to main in .kokoro/*.sh files
-assert 1 == s.replace(".kokoro/*.sh", "repo-automation-bots/tree/master", "repo-automation-bots/tree/main")
-
 s.shell.run(["nox", "-s", "blacken"], hide_output=False)