scripts/vendor: remove -compat=1.19

We originally added this -compat to keep a consistent format of
the vendor.mod files for cases where there were differences
between go versions.

I don't think we really need this anymore, so let's remove.

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>

scripts/vendor

@@ -23,7 +23,7 @@ EOL
 }
 
 update() {
-  (set -x ; go mod tidy -compat=1.19 -modfile=vendor.mod; go mod vendor -modfile=vendor.mod)
+  (set -x ; go mod tidy -modfile=vendor.mod; go mod vendor -modfile=vendor.mod)
 }
 
 validate() {