Remove some dependencies on ddprof::Parser

[nsavoire]

Split ddprof_cmdline into 2 files
This allows to removing dependency on ddprof::Parser for profiling lib and some unit tests.

[pr-commenter]

Benchmark results for collatz

Parameters

	Baseline	Candidate
config	baseline	candidate
profiler-version	ddprof 0.15.0+99326392.22228515	ddprof 0.15.0+c485204b.22279539

Summary

Found 0 performance improvements and 0 performance regressions! Performance is the same for 1 metrics, 0 unstable metrics.

See unchanged results

scenario	Δ mean execution_time
scenario:ddprof -S bench-collatz --preset cpu_only collatz_runner.sh	unsure [-40.414ms; -4.742ms] or [-1.032%; -0.121%]

[pr-commenter]

Benchmark results for BadBoggleSolver_run

Parameters

	Baseline	Candidate
config	baseline	candidate
profiler-version	ddprof 0.15.0+99326392.22228515	ddprof 0.15.0+c485204b.22279539

Summary

Found 0 performance improvements and 0 performance regressions! Performance is the same for 1 metrics, 0 unstable metrics.

See unchanged results

scenario	Δ mean execution_time
scenario:ddprof -S bench-bad-boggle-solver BadBoggleSolver_run work 1000	same

[r1viollet]

LGTM
Good idea.