samba: remove defunct infiniband support

Even if infiniband support is enabled the option
is ignored by the configure script and no depencies
to libibverbs.so or librdmacm.so is contained in
the output.

pkgs/servers/samba/4.x.nix

@@ -3,10 +3,8 @@
 , docbook_xml_dtd_42, readline, talloc
 , popt, iniparser, libbsd, libarchive, libiconv, gettext
 , krb5Full, zlib, openldap, cups, pam, avahi, acl, libaio, fam, libceph, glusterfs
-, gnutls
-, ncurses, libunwind, libibverbs, librdmacm, systemd
+, gnutls, ncurses, libunwind, systemd
 
-, enableInfiniband ? false
 , enableLDAP ? false
 , enablePrinting ? false
 , enableMDNS ? false
@@ -47,7 +45,6 @@ stdenv.mkDerivation rec {
       libbsd libarchive zlib fam libiconv gettext libunwind krb5Full
     ]
     ++ optionals stdenv.isLinux [ libaio systemd ]
-    ++ optionals (enableInfiniband && stdenv.isLinux) [ libibverbs librdmacm ]
     ++ optional enableLDAP openldap
     ++ optional (enablePrinting && stdenv.isLinux) cups
     ++ optional enableMDNS avahi

pkgs/top-level/all-packages.nix

@@ -13648,7 +13648,6 @@ with pkgs;
   });
 
   samba4Full = lowPrio (samba4.override {
-    enableInfiniband = true;
     enableLDAP = true;
     enablePrinting = true;
     enableMDNS = true;
@@ -18595,7 +18594,7 @@ with pkgs;
   rclone = callPackage ../applications/networking/sync/rclone { };
 
   rclone-browser = libsForQt5.callPackage ../applications/networking/sync/rclone/browser.nix { };
-  
+
   rcs = callPackage ../applications/version-management/rcs { };
 
   rdesktop = callPackage ../applications/networking/remote/rdesktop { };