Revert "Disable unified build and static init optimization for tests"

This reverts commit e20d77bb79.

Signed-off-by: Davanum Srinivas <davanum@gmail.com>

hack/lib/golang.sh

@@ -773,26 +773,15 @@ kube::golang::build_binaries_for_platform() {
     kube::golang::build_some_binaries "${nonstatics[@]}"
   fi
 
-  # Workaround for https://github.com/kubernetes/kubernetes/issues/115675
-  local testgogcflags="${gogcflags}"
-  local testgoexperiment="${GOEXPERIMENT:-}"
-  if [[ "$(go version)" == *"go1.20"* && "${platform}" == "linux/arm" ]]; then
-    # work around https://github.com/golang/go/issues/58339 until fixed in go1.20.x
-    testgogcflags="${testgogcflags} -d=inlstaticinit=0"
-    # work around https://github.com/golang/go/issues/58425
-    testgoexperiment="nounified,${testgoexperiment}"
-    kube::log::info "Building test binaries with GOEXPERIMENT=${testgoexperiment} GCFLAGS=${testgogcflags} ASMFLAGS=${goasmflags} LDFLAGS=${goldflags}"
-  fi
-
   for test in "${tests[@]:+${tests[@]}}"; do
     local outfile testpkg
     outfile=$(kube::golang::outfile_for_binary "${test}" "${platform}")
     testpkg=$(dirname "${test}")
 
     mkdir -p "$(dirname "${outfile}")"
-    GOEXPERIMENT="${testgoexperiment}" go test -c \
+    go test -c \
       ${goflags:+"${goflags[@]}"} \
-      -gcflags="${testgogcflags}" \
+      -gcflags="${gogcflags}" \
       -asmflags="${goasmflags}" \
       -ldflags="${goldflags}" \
       -tags="${gotags:-}" \