go-langserver: remove package

According to upstream:

Note: We have deprioritized work on this language server for use in
editors in favor of Google's Go language server, gopls. It is in the
best interests of the community to only have a single language server.

srcpkgs/go-langserver/template

@@ -1,16 +0,0 @@
-# Template file for 'go-langserver'
-pkgname=go-langserver
-version=2.0.0
-revision=1
-build_style=go
-go_import_path="github.com/sourcegraph/go-langserver"
-short_desc="Go language server"
-maintainer="SolitudeSF <solitudesf@protonmail.com>"
-license="MIT"
-homepage="https://github.com/sourcegraph/go-langserver"
-distfiles="${homepage}/archive/v${version}.tar.gz"
-checksum=12787cd4cff28ad6674bc4de29a68fb60f1e2e0d691cde017f413bbed1e49f9d
-
-post_install() {
-	vlicense LICENSE
-}

srcpkgs/removed-packages/template

@@ -120,6 +120,7 @@ replaces="
  gnome-shell-mousewheel-zoom<=0.8.0_2
  gnome-twitch<=0.4.2_1
  go-gdm<=1.4_7
+ go-langserver<=2.0.0_1
  go1.4-bootstrap<=20171003_2
  goat<=0.0.0.28022016_10
  goffice0.8<=0.8.17_6