qapi: Drop stray trailing symbol

Signed-off-by: Andrea Bolognani <abologna@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20220503073737.84223-2-abologna@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>

qapi/run-state.json

@@ -348,7 +348,7 @@
 #
 # @poweroff: Shutdown the VM and exit
 #
-# @pause: pause the VM#
+# @pause: pause the VM
 #
 # Since: 6.0
 ##