scp2: move activex libs to AutoInstall

Change-Id: I08fac26859d97e3d7a60d3ba443c2d2ca039789b
setup_native, scp2: remove "regpatchactivex" MSI custom-action and lib

This was effectively omitted from the installation set since commit
26c142ca5f2b405b02ab5701dfaeab7bf281a727, and is apparently related to
the obsolete StarOffice patch mechanism.

Change-Id: I9a4c113e19e5b2b751e3da64b4dde53320132a35
Repository.mk: remove obsolete libraries

These were removed by commits 5142e628b563a9876e8884c5dd4914eff4a2f307,
a5783fe922b2419b5b662eb5f544a1f401341dbf and
eb6fa6be7500b9110913174552c156b0504ece07.

Change-Id: If8b5b5d2241bf66dea4a8376a5303f585559ebdc
scp2: move winexplorerext libs to AutoInstall

Change-Id: I93d08ab46e401a2f37c9ad6e425e8014c7e05db1
scp2: remove unused STD_LIB_FILE etc. macros

Change-Id: Ib6cf165019d72ba64b5111186ea3fdba076c69ba