main/postmarketos-mkinitfs: remove CGO_ENABLED=0 (MR 4924)

See https://gitlab.alpinelinux.org/alpine/aports/-/issues/15809

[ci:skip-build]: already built successfully in CI

main/postmarketos-mkinitfs/APKBUILD

@@ -35,7 +35,6 @@ provider_priority=999  # higher priority than Alpine's mkinitfs
 provides="initramfs-generator"
 subpackages="$pkgname-doc"
 
-export CGO_ENABLED=0
 export GOCACHE="${GOCACHE:-"$srcdir/go-cache"}"
 export GOMODCACHE="${GOMODCACHE:-"$srcdir/go"}"
 export GOPATH="$srcdir"