chore: remove self from codeowners (#29250)

Remove myself as the codeowner of specific directories as this bypasses
the random review assignment and automatically assigns me to any PRs
changing these files.

Author: brandyscarney

.github/CODEOWNERS

@@ -45,8 +45,6 @@
 /core/src/components/datetime/ @liamdebeasi @amandaejohnston @sean-perkins
 /core/src/components/datetime-button/ @liamdebeasi
 
-/core/src/components/item/ @brandyscarney
-
 /core/src/components/menu/ @amandaejohnston
 /core/src/components/menu-toggle/ @amandaejohnston
 
@@ -62,13 +60,6 @@
 /core/src/components/refresher/ @liamdebeasi
 /core/src/components/refresher-content/ @liamdebeasi
 
-/core/src/components/searchbar/ @brandyscarney
-
-/core/src/components/segment/ @brandyscarney
-/core/src/components/segment-button/ @brandyscarney
-
-/core/src/components/skeleton-text/ @brandyscarney
-
 # Utilities
 
 /core/src/utils/animation/ @liamdebeasi
@@ -80,6 +71,3 @@
 /core/src/utils/sanitization/ @liamdebeasi
 /core/src/utils/tap-click/ @liamdebeasi
 /core/src/utils/transition/ @liamdebeasi
-
-/core/src/css/ @brandyscarney
-/core/src/themes/ @brandyscarney