MIB cleaning (misc again) (#13103)

* sort TELESYN-ATI-TC (allied)

* sort  MIB-DELL-10892 (dell)

* sort  MIB-DELL-10892 (dell)

* sort SFA-INFO (ddn)

* sort SYNSO-UPSMIB (probably unused)

* sort DataAire-dap4-al-MIB (probably unused)

* sort RADWIN-MIB-WINLINK1000 (radwin)

mibs/allied/mib_info.txt

@@ -1,12 +0,0 @@
-This folder contains MIBs for legacy Allied Telesis products. 
-
-This includes:
-- Alliedware
--- AT-x-MIB files
-- Alliedware Plus version 2
--- AtiEdgeSwitch-MIB
--- AtiL2-MIB
--- AtiStackInfo-MIB
--- AtiSwitch-MIB
-
-Alliedware Plus version 5.x.x mibs can be found under "mibs/awplus"