Chore: remove lefthook.rc (#103713)

.github/CODEOWNERS

@@ -461,7 +461,6 @@
 /stylelint.config.js @grafana/frontend-ops
 /tools/ @grafana/frontend-ops
 /lefthook.yml @grafana/frontend-ops
-/lefthook.rc @grafana/frontend-ops
 /.husky/pre-commit @grafana/frontend-ops
 /cypress.config.js @grafana/grafana-frontend-platform
 /.levignore.js @grafana/plugins-platform-frontend

lefthook.rc

@@ -1,8 +0,0 @@
-# This file is used by lefthook to 'expose' the bingo-installed lefthook under
-# the name `lefthook`, as expected by the lefthook pre-commit scripts
-
-. .bingo/variables.env
-
-lefthook () {
-  ${LEFTHOOK} "$@"
-}