(#1987) - improve idb compaction performance
(#1987) - improve idb compaction performance

There's no need to recalculate the winningRev or
deletedOrLocal values on the metadata, because
neither one has changed.

garrensmith/pouchdb,h4ki/pouchdb,willholley/pouchdb,mwksl/pouchdb,cshum/pouchdb,lukevanhorn/pouchdb,yaronyg/pouchdb,janl/pouchdb,shimaore/pouchdb,mattbailey/pouchdb,tohagan/pouchdb,greyhwndz/pouchdb,garrensmith/pouchdb,patrickgrey/pouchdb,nickcolley/pouchdb,bbenezech/pouchdb,KlausTrainer/pouchdb,pouchdb/pouchdb,janraasch/pouchdb,cshum/pouchdb,marcusandre/pouchdb,crissdev/pouchdb,KlausTrainer/pouchdb,shimaore/pouchdb,Knowledge-OTP/pouchdb,tyler-johnson/pouchdb,willholley/pouchdb,yaronyg/pouchdb,jhs/pouchdb,microlv/pouchdb,tohagan/pouchdb,daleharvey/pouchdb,Charlotteis/pouchdb,bbenezech/pouchdb,cdaringe/pouchdb,janraasch/pouchdb,ntwcklng/pouchdb,microlv/pouchdb,slang800/pouchdb,p5150j/pouchdb,lukevanhorn/pouchdb,mwksl/pouchdb,tyler-johnson/pouchdb,mainerror/pouchdb,patrickgrey/pouchdb,Knowledge-OTP/pouchdb,mikeymckay/pouchdb,TechnicalPursuit/pouchdb,greyhwndz/pouchdb,tyler-johnson/pouchdb,Dashed/pouchdb,evidenceprime/pouchdb,Charlotteis/pouchdb,shimaore/pouchdb,crissdev/pouchdb,johnofkorea/pouchdb,elkingtonmcb/pouchdb,ramdhavepreetam/pouchdb,jhs/pouchdb,p5150j/pouchdb,mwksl/pouchdb,mikeymckay/pouchdb,cdaringe/pouchdb,lukevanhorn/pouchdb,nicolasbrugneaux/pouchdb,adamvert/pouchdb,mainerror/pouchdb,colinskow/pouchdb,mikeymckay/pouchdb,johnofkorea/pouchdb,Actonate/pouchdb,willholley/pouchdb,seigel/pouchdb,ntwcklng/pouchdb,pouchdb/pouchdb,p5150j/pouchdb,lakhansamani/pouchdb,crissdev/pouchdb,ramdhavepreetam/pouchdb,asmiller/pouchdb,mattbailey/pouchdb,janraasch/pouchdb,callahanchris/pouchdb,seigel/pouchdb,microlv/pouchdb,janl/pouchdb,h4ki/pouchdb,nicolasbrugneaux/pouchdb,slang800/pouchdb,nickcolley/pouchdb,lakhansamani/pouchdb,marcusandre/pouchdb,garrensmith/pouchdb,colinskow/pouchdb,HospitalRun/pouchdb,nickcolley/pouchdb,Actonate/pouchdb,asmiller/pouchdb,cesarmarinhorj/pouchdb,cdaringe/pouchdb,colinskow/pouchdb,mattbailey/pouchdb,bbenezech/pouchdb,daleharvey/pouchdb,elkingtonmcb/pouchdb,adamvert/pouchdb,HospitalRun/pouchdb,lakhansamani/pouchdb,KlausTrainer/pouchdb,Dashed/pouchdb,mainerror/pouchdb,yaronyg/pouchdb,johnofkorea/pouchdb,slang800/pouchdb,Dashed/pouchdb,callahanchris/pouchdb,asmiller/pouchdb,nicolasbrugneaux/pouchdb,TechnicalPursuit/pouchdb,pouchdb/pouchdb,h4ki/pouchdb,elkingtonmcb/pouchdb,cshum/pouchdb,ntwcklng/pouchdb,callahanchris/pouchdb,janl/pouchdb,cesarmarinhorj/pouchdb,adamvert/pouchdb,tohagan/pouchdb,greyhwndz/pouchdb,patrickgrey/pouchdb,seigel/pouchdb,jhs/pouchdb,ramdhavepreetam/pouchdb,HospitalRun/pouchdb,Charlotteis/pouchdb,Knowledge-OTP/pouchdb,optikfluffel/pouchdb,marcusandre/pouchdb,cesarmarinhorj/pouchdb,optikfluffel/pouchdb,TechnicalPursuit/pouchdb,Actonate/pouchdb,optikfluffel/pouchdb,daleharvey/pouchdb