Fix trailing whitespace in YANG descriptions

[skip ci]

Signed-off-by: Joachim Wiberg <troglobit@gmail.com>

Author: troglobit

src/confd/yang/confd/infix-if-container.yang

@@ -60,7 +60,7 @@ submodule infix-if-container {
   identity host {
     base container-network;
     description "Host device, e.g., one end of a VETH pair or other host interface.
-                 
+
                  Note: When using VETH pairs, at least one side must remain in the
                  host namespace. Both ends of a VETH pair cannot be assigned to
                  different containers.";

src/confd/yang/confd/infix-if-veth.yang

@@ -14,7 +14,7 @@ submodule infix-if-veth {
   organization "KernelKit";
   contact      "kernelkit@googlegroups.com";
   description  "Linux virtual Ethernet pair extension for ietf-interfaces.
-                
+
                 Note: When using VETH pairs with containers, at least one side
                 of the pair must remain in the host namespace. Both ends of a
                 VETH pair cannot be assigned to different containers.";