revert commenting out recursive submodule sync and update

build_core.sh

@@ -61,8 +61,8 @@ tar -C ./golang -xzf $GO_VERSION.tar.gz || quit "Could not untar $GO_VERSION.tar
 
 # -------- update submodules ---------------
 showtitle "Updating submodules"
-#git submodule sync --recursive || quit "git submodule sync --recursive"
-#git submodule update --init --recursive || quit "git submodule update --init --recursive"
+git submodule sync --recursive || quit "git submodule sync --recursive"
+git submodule update --init --recursive || quit "git submodule update --init --recursive"
 
 
 # -------- init environment variables ---------------
@@ -71,7 +71,7 @@ export GOPATH=`pwd`
 export GO_LANG=`pwd`/go/bin
 export GO_COMPILED=`pwd`/bin
 export PATH="${GO_LANG}:${GO_COMPILED}:${PATH}"
-# the next line can be removed if we use golag v1.18+
+# the next line can be removed if we use golang v1.18+
 go env -w GOFLAGS=-mod=mod
 go env
 cd ..