hack: remove -installsuffix build flag

Has been introduced in 232d59b to work around a bug with
"go build" but not required anymore since go 1.5: golang/go@4dab6d0

Signed-off-by: CrazyMax <crazy-max@users.noreply.github.com>

hack/make.sh

@@ -112,8 +112,7 @@ LDFLAGS_STATIC=''
 EXTLDFLAGS_STATIC='-static'
 # ORIG_BUILDFLAGS is necessary for the cross target which cannot always build
 # with options like -race.
-ORIG_BUILDFLAGS=(-tags "netgo osusergo static_build $DOCKER_BUILDTAGS" -installsuffix netgo)
-# see https://github.com/golang/go/issues/9369#issuecomment-69864440 for why -installsuffix is necessary here
+ORIG_BUILDFLAGS=(-tags "netgo osusergo static_build $DOCKER_BUILDTAGS")
 
 BUILDFLAGS=(${BUILDFLAGS} "${ORIG_BUILDFLAGS[@]}")