libretro.dolphin: removed unnecessary dependencies

Including pcre, part of #356387.

pkgs/applications/emulators/libretro/cores/dolphin.nix

@@ -3,25 +3,18 @@
   fetchFromGitHub,
   cmake,
   curl,
-  gettext,
-  hidapi,
   libGL,
   libGLU,
   libevdev,
   mkLibretroCore,
-  pcre,
   pkg-config,
-  sfml,
   udev,
   libxcb-util,
-  libxxf86vm,
   libxrandr,
   libxi,
   libxinerama,
   libxext,
   libx11,
-  libsm,
-  libpthread-stubs,
   libxcb,
 }:
 mkLibretroCore {
@@ -41,23 +34,17 @@ mkLibretroCore {
     curl
     pkg-config
   ];
+
   extraBuildInputs = [
-    gettext
-    hidapi
     libGL
     libGLU
     libevdev
-    pcre
-    sfml
     udev
-    libsm
     libx11
     libxext
     libxi
     libxinerama
     libxrandr
-    libxxf86vm
-    libpthread-stubs
     libxcb
     libxcb-util
   ];