remove docker conf

[ucwong]

No description provided.

[codecov]

Codecov Report

Merging #976 (002e205) into master (89f8ada) will decrease coverage by 0.04%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master     #976      +/-   ##
==========================================
- Coverage   49.23%   49.18%   -0.05%     
==========================================
  Files         426      426              
  Lines       47291    47291              
==========================================
- Hits        23282    23261      -21     
- Misses      21985    22009      +24     
+ Partials     2024     2021       -3     

Impacted Files	Coverage Δ
ctxc/downloader/statesync.go	55.03% <0.00%> (-6.59%)	⬇️
trie/sync_bloom.go	54.28% <0.00%> (-5.72%)	⬇️
trie/proof.go	72.49% <0.00%> (-1.30%)	⬇️
p2p/discover/v5_udp.go	80.42% <0.00%> (-1.06%)	⬇️
p2p/simulations/mocker.go	28.86% <0.00%> (-1.04%)	⬇️
p2p/server.go	65.09% <0.00%> (-0.43%)	⬇️
ctxc/downloader/downloader.go	76.13% <0.00%> (-0.34%)	⬇️
core/tx_pool.go	73.07% <0.00%> (-0.15%)	⬇️
ctxc/filters/api.go	45.35% <0.00%> (+0.74%)	⬆️
trie/trie.go	79.00% <0.00%> (+0.76%)	⬆️
... and 4 more