ci/OWNERS: drop code ownership of various things

I'm not active anymore in:

- emscripten
- make-disk-image
- NGINX

Change-Id: Ibcc76bbd9504cea63bf4cda8c6395c3db74854c3
Signed-off-by: Raito Bezarius <masterancpp@gmail.com>

ci/OWNERS

@@ -82,10 +82,6 @@
 # Nixpkgs build-support
 /pkgs/build-support/writers @lassulus
 
-# Nixpkgs make-disk-image
-/doc/build-helpers/images/makediskimage.section.md  @raitobezarius
-/nixos/lib/make-disk-image.nix                 @raitobezarius
-
 # Nix, the package manager
 # @raitobezarius is not "code owner", but is listed here to be notified of changes
 # pertaining to the Nix package manager.
@@ -238,9 +234,7 @@ nixos/modules/installer/tools/nix-fallback-paths.nix  @Artturin @Ericson2314 @lo
 # C compilers
 /pkgs/development/compilers/gcc
 /pkgs/development/compilers/llvm @NixOS/llvm
-/pkgs/development/compilers/emscripten @raitobezarius
 /doc/toolchains/llvm.chapter.md @NixOS/llvm
-/doc/languages-frameworks/emscripten.section.md @raitobezarius
 
 # Audio
 /nixos/modules/services/audio/botamusique.nix @mweinelt
@@ -333,11 +327,6 @@ pkgs/development/python-modules/buildcatrust/ @ajs124 @lukegb @mweinelt
 /nixos/tests/kea.nix @mweinelt
 /nixos/tests/knot.nix @mweinelt
 
-# Web servers
-/doc/packages/nginx.section.md @raitobezarius
-/pkgs/servers/http/nginx/ @raitobezarius
-/nixos/modules/services/web-servers/nginx/ @raitobezarius
-
 # D
 /pkgs/build-support/dlang @jtbx @TomaSajt