Simplify SAL_WARN

Change-Id: I76c03d5e846fae6cba87be522a10d20e45528e4c
E_CONTAINS_DETECTSERVICES does nothing

...ever since its inception in 16ac8733020a726c5b5b955f20709f9c2894c140 and
9b79c1d48c0b562d1fc7d0427caf98f43590a837 "INTEGRATION: CWS filtercfg."

Change-Id: I34422a1c5641802bfb15720f5bfa8ca16fb54aab
...and E_DETECTSERVICE is just as unused

Change-Id: I6f7c230e83a58f4889696b98fcd7bf24d0853ce0
...and so m_lChangedDetectServices is alway empty

Change-Id: I9a4ef55eb243f5aabd0c909b0e4594c928e459cd
impl_resolveItem4TypeRegistration can be static

Change-Id: Ie2b83a472972194210c3b579a041a11a2ff76786
...and so m_lDetectServices is never read

Change-Id: I3ea0c037d2b614b010093692dc6451110d2b342c
Make warning more useful

Change-Id: I58226f74e644e2aa65dddf5bcb0832dc67c8a6e3
...which empirically shows that LateInitThread is useless

Change-Id: Ic2946eef616eae39576d162ca534831753bd3c89