refactor: Remove bluebird from lib/plugins/aws/info

[juanjoDiaz]

Addesses: #7171

[codecov]

Codecov Report

Merging #9068 (c58c720) into master (ccba70a) will decrease coverage by 0.01%.
The diff coverage is 94.73%.

@@            Coverage Diff             @@
##           master    #9068      +/-   ##
==========================================
- Coverage   87.15%   87.14%   -0.02%     
==========================================
  Files         288      288              
  Lines       11026    11017       -9     
==========================================
- Hits         9610     9601       -9     
  Misses       1416     1416              

Impacted Files	Coverage Δ
lib/plugins/aws/info/getResourceCount.js	85.71% <80.00%> (-3.18%)	⬇️
lib/plugins/aws/info/getStackInfo.js	93.47% <93.75%> (-0.28%)	⬇️
lib/plugins/aws/info/getApiKeyValues.js	80.00% <100.00%> (-2.76%)	⬇️
lib/plugins/aws/info/index.js	100.00% <100.00%> (ø)

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[pgrzesik]

Thanks once again @juanjoDiaz - as mentioned in related PR, we'd like to follow more iterative, small-steps path - I'm going to close this PR for now.