Remove unused CLI helpers and fix replay sign conversions #236

Job	Run time
Valgrind Checks	4m 3s
Configuration Coverage	8m 7s
Static Analysis	9m 58s
Runtime Smoke Checks	4m 12s
Build (gcc)	4m 12s
Standalone Package Export Check	5m 5s
Build (clang)	4m 17s
CLI Strict CI Summary	3s
	39m 57s

Provide feedback