Automator: update common-files@master in istio/istio@master (istio#35477)

Author: istio-testing

common/.commonfiles.sha

@@ -1 +1 @@
-fa22ff656bcb449998e18131f57f77d47f030e68
+8361d9ff287271f89ec5a8c78f70ea85669bca81

common/scripts/gobuild.sh

@@ -70,14 +70,6 @@ while read -r line; do
     LD_EXTRAFLAGS="${LD_EXTRAFLAGS} -X ${line}"
 done < "${BUILDINFO}"
 
-# verify go version before build
-# NB. this was copied verbatim from Kubernetes hack
-minimum_go_version=go1.13 # supported patterns: go1.x, go1.x.x (x should be a number)
-IFS=" " read -ra go_version <<< "$(${GOBINARY} version)"
-if [[ "${minimum_go_version}" != $(echo -e "${minimum_go_version}\n${go_version[2]}" | sort -s -t. -k 1,1 -k 2,2n -k 3,3n | head -n1) && "${go_version[2]}" != "devel" ]]; then
-    echo "Warning: Detected that you are using an older version of the Go compiler. Istio requires ${minimum_go_version} or greater."
-fi
-
 OPTIMIZATION_FLAGS=(-trimpath)
 if [ "${DEBUG}" == "1" ]; then
     OPTIMIZATION_FLAGS=()