[*] fix Reap() to not require Source.MinDbSizeMb to be >= 8

[0xgouda]

remove if r.Sources.MinDbSizeMB >= 8 { check from Reap() method.

I tried to search the history for where this check was introduced but it wasn't added any time near so i don't know much about the context where it was added, so please do a check.

also the DbSizeMB != 0 check in if DBSizeMB != 0 && DBSizeMB < r.Sources.MinDbSizeMB is weird but i left it as is.

closes: #817

[coveralls]

Pull Request Test Coverage Report for Build 15847267320

Details

• 0 of 5 (0.0%) changed or added relevant lines in 1 file are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+0.01%) to 61.301%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
internal/reaper/reaper.go	0	5	0.0%

Totals
Change from base Build 15821649882:	0.01%
Covered Lines:	2742
Relevant Lines:	4473

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💛 - Coveralls