Pre-merge code cleanup

src/tests/tools/perf_plots/Component_RPC_Methods.py

src/tests/tools/perf_plots/Device_Driver_Details.py

src/tests/tools/perf_plots/Device_Driver_Methods.py

src/tests/tools/perf_plots/Service_Handler_Methods.py

src/tests/tools/perf_plots/experiments/__init__.py

src/tests/tools/perf_plots/experiments/details-l2vpn.txt

src/tests/tools/perf_plots/experiments/details-l3vpn.txt

src/tests/tools/perf_plots/experiments/old_details.txt

...ts/tools/perf_plots/experiments/scenario_1/Emu_Onboard.py

...ols/perf_plots/experiments/scenario_1/L2NM_EMU_Service.py

...ols/perf_plots/experiments/scenario_1/L3NM_EMU_Service.py

...tests/tools/perf_plots/experiments/scenario_1/__init__.py