codegen: Don't need to pass --logtostderr

All the tools already set it internally

hack/update-codegen.sh

@@ -176,7 +176,6 @@ function codegen::deepcopy() {
 
     "${gen_deepcopy_bin}" \
         -v "${KUBE_VERBOSE}" \
-        --logtostderr \
         --go-header-file "${BOILERPLATE_FILENAME}" \
         --output-file-base "${output_file}" \
         --bounding-dirs "k8s.io/kubernetes,k8s.io/api" \
@@ -309,7 +308,6 @@ function codegen::prerelease() {
 
     "${gen_prerelease_bin}" \
         -v "${KUBE_VERBOSE}" \
-        --logtostderr \
         --go-header-file "${BOILERPLATE_FILENAME}" \
         --output-file-base "${output_file}" \
         $(printf -- " -i %s" "${tag_pkgs[@]}") \
@@ -378,7 +376,6 @@ function codegen::defaults() {
 
     "${gen_defaulter_bin}" \
         -v "${KUBE_VERBOSE}" \
-        --logtostderr \
         --go-header-file "${BOILERPLATE_FILENAME}" \
         --output-file-base "${output_file}" \
         $(printf -- " -i %s" "${tag_pkgs[@]}") \
@@ -458,7 +455,6 @@ function codegen::conversions() {
 
     "${gen_conversion_bin}" \
         -v "${KUBE_VERBOSE}" \
-        --logtostderr \
         --go-header-file "${BOILERPLATE_FILENAME}" \
         --output-file-base "${output_file}" \
         $(printf -- " --extra-peer-dirs %s" "${extra_peer_pkgs[@]}") \
@@ -554,7 +550,6 @@ function codegen::openapi() {
 
     "${gen_openapi_bin}" \
         -v "${KUBE_VERBOSE}" \
-        --logtostderr \
         --go-header-file "${BOILERPLATE_FILENAME}" \
         --output-file-base "${output_file}" \
         --output-base "${output_dir}" \