callcatcher: update unused code

Change-Id: I0d7f204473bd5fcddf2342850a16194fdb385c13
drop the SimpleErrorHandler

Change-Id: I968300664c386e6cf33461c5858833832e452e28
coverity#1079286 Uninitialized pointer field

Change-Id: Iaaab025a97d01b248f4478989d6cdfdc8664ba79
coverity#1079291 Uninitialized pointer field

Change-Id: I75ce5ab5583ed3e4009582bae531db24b66be9f8
coverity#1079292 Uninitialized pointer field

Change-Id: Ic78aa75bccda1f63d97eb8489d5d64c936c37b16
coverity#1079293 Uninitialized pointer field

Change-Id: I20f844b98e922ccd351a28d9b47554c796876d14
coverity#1079294 Uninitialized pointer field

Change-Id: I3605699642a1fb5e42a8ea7347bc0009e8f9141a
coverity#1079295 Uninitialized pointer field

Change-Id: Iddae1fca0664e2d0106f7cc13dc2d9b89d57b1e4
coverity#1103650 Unchecked return value

Change-Id: I8c674269174a9e17d2195d1014f67aa7a81ba138
fix indent

Change-Id: I0f09c42928d354bd26fa5137a2faa768560b1223
coverity#1103651 Unchecked return value

Change-Id: Iee2bbba1e581364f72a73421ba8e799fa05a94e4
coverity#1103652 Unchecked return value

Change-Id: Ia05313ad580d09d1e2832a81829518f4692e18fd
coverity#1103656 Logically dead code

Change-Id: I9e55dbfea39abfbe335036af910c3a8bc916d6b9
coverity#1103674 Unchecked dynamic_cast

Change-Id: I917ace83496f0ed4412ad07eb4fb267416942b96
coverity#1103682 Missing break in switch

Change-Id: I8006c1dbbc195dd68b7f537468418f69742f43a4
coverity#1103733 Uncaught exception

Change-Id: Ia6070a4a6d87929ba97df758e4e8972934bee128
coverity#1103769 Uninitialized pointer field

Change-Id: Ibd3394f9ad3a60115b22a40057a53f8fe75d7f5e
coverity#1130173 Dead default in switch

Change-Id: Iff12f82355269faec920c57464bc6b019f03ddb6
coverity#1130174 Logically dead code

Change-Id: I80b4f3db9d5f0eda1a05aa796633aefd434c38f4
coverity#1130194 Unchecked dynamic_cast

Change-Id: I313d278dedcd7d51466a09ad6a85bfb5c78023d4