Remove unused methods / code
Remove unused hotspot method :present_group_details
Remove unused limit of top records to return
Remove unused grouping code
Remove unused Reek issue links
Remove unused columns in record
Extract methods from MetricFu::Graph
Load flog graph data more cleanly, requires legacy flog data, keep for now
Accomodate an empty sexp for MetricFu::LineNumbers
Reduce duplication in metric hotspots, move toward explicit strategies
Separate out getting ranked problems/locations for files/classes/methods
Remove extraneous require
Simplify logic that determines if there are hotspots to output
Rename items to hotspots.  Easier to understand
Move unnecessary separation of hotspot analyzer init and usage
Surface failing test related to hotspot location.to_hash, begin fixing