Ports: Clean up some package.sh scripts

- Remove superfluous function overrides and use makeopts instead
- Remove superfluous installopts
- Use run rather than cd'ing manually
- Ensure empty line between functions

Ports/jq/package.sh

@@ -6,10 +6,6 @@ configopts="--with-oniguruma=builtin --disable-maintainer-mode"
 files="https://github.com/stedolan/jq/releases/download/jq-1.6/jq-1.6.tar.gz jq-1.6.tar.gz"
 makeopts="LDFLAGS=-all-static"
 
-build() {
-    run make $makeopts
-}
-
 pre_configure() {
     pushd $workdir/modules/oniguruma
     autoreconf -fi