[scripts] Add prometheus script and cleanup out date scripts.

[jolestar]

No description provided.

[codecov]

Codecov Report

Merging #3001 (93ffb31) into master (2fa5857) will decrease coverage by 0.09%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #3001      +/-   ##
==========================================
- Coverage   33.34%   33.26%   -0.08%     
==========================================
  Files         515      515              
  Lines       45678    45690      +12     
  Branches    20823    20812      -11     
==========================================
- Hits        15227    15194      -33     
+ Misses      16071    16046      -25     
- Partials    14380    14450      +70     

Flag	Coverage Δ
unittests	33.26% <ø> (-0.08%)	⬇️

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Impacted Files	Coverage Δ
vm/natives/src/account.rs	21.43% <0.00%> (-7.14%)	⬇️
state/state-tree/src/state_tree.rs	51.39% <0.00%> (-4.86%)	⬇️
executor/src/executor.rs	54.17% <0.00%> (-4.16%)	⬇️
config/src/helper.rs	46.00% <0.00%> (-4.00%)	⬇️
commons/forkable-jellyfish-merkle/src/lib.rs	41.23% <0.00%> (-3.43%)	⬇️
commons/accumulator/src/lib.rs	59.79% <0.00%> (-3.26%)	⬇️
config/src/lib.rs	33.59% <0.00%> (-3.05%)	⬇️
commons/stream-task/src/task_stream.rs	60.30% <0.00%> (-2.94%)	⬇️
config/src/network_config.rs	52.87% <0.00%> (-2.86%)	⬇️
types/src/startup_info.rs	64.23% <0.00%> (-2.75%)	⬇️
... and 73 more

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