chore(go.work): Remove go.work

> It is generally inadvisable to commit go.work files into version
control systems
https://go.dev/ref/mod#go-work-file

.gitignore

@@ -46,8 +46,8 @@ src/acceptance/assets/app/go_app/internal/custommetrics/oas*gen.go
 src/acceptance/assets/app/go_app/internal/policy/oas*gen.go
 src/autoscaler/helpers/apis/scalinghistory/oas*gen.go
 
-# Autogenerated files
-go.work.sum
+# https://go.dev/ref/mod#go-work-file
+go.work*
 
 # acceptance-test binaries
 src/acceptance/**/*.test

ci/autoscaler/tasks/update-sdk/update_golang_package.sh

@@ -12,9 +12,6 @@ export golang_dir
 
 golang_version=$(cat "${golang_dir}/packages/golang-1-linux/version")
 
-step "updating go.work file with golang version ${golang_version}"
-go work edit -go "${golang_version}" "${autoscaler_dir}/go.work"
-
 step "updating go.mod files with golang version ${golang_version}"
 find "${autoscaler_dir}" -name go.mod -type f -exec go mod edit -go "${golang_version}" "{}" \;