[kernel] removes deprecated custom annot

src/kernel_internals/parsing/clexer.mll

src/kernel_internals/parsing/cparser.mly

src/kernel_internals/parsing/logic_lexer.mll

src/kernel_internals/parsing/logic_parser.mly

src/kernel_internals/typing/cabs2cil.ml

src/kernel_internals/typing/mergecil.ml

src/kernel_services/ast_data/annotations.ml

src/kernel_services/ast_data/cil_types.mli

src/kernel_services/ast_data/property.ml

src/kernel_services/ast_printing/cabs_debug.ml

src/kernel_services/ast_printing/cil_printer.ml

src/kernel_services/ast_printing/cil_types_debug.ml

src/kernel_services/ast_printing/cil_types_debug.mli

src/kernel_services/ast_printing/cprint.ml

src/kernel_services/ast_queries/cil.ml

src/kernel_services/ast_queries/cil_datatype.ml

src/kernel_services/ast_queries/file.ml

src/kernel_services/ast_queries/logic_typing.ml

src/kernel_services/ast_queries/logic_typing.mli

src/kernel_services/ast_queries/logic_utils.ml