coala_main: Use collect_all_bears_from_sections()
coala_main: Use collect_all_bears_from_sections()

As a part of trying to simplify coala_main, the code related to
collecting all bears (for show_bears) has been moved to Collectors.
In this commit, we use the function collect_all_bears_from_sections()
in the coala_main

Related to https://github.com/coala-analyzer/coala/issues/1468

ManjiriBirajdar/coala,vinc456/coala,Balaji2198/coala,Nosferatul/coala,rimacone/testing2,arush0311/coala,incorrectusername/coala,saurabhiiit/coala,NalinG/coala,impmihai/coala,Nosferatul/coala,shreyans800755/coala,sudheesh001/coala,yashtrivedi96/coala,coala/coala,scottbelden/coala,swatilodha/coala,sudheesh001/coala,yland/coala,jayvdb/coala,NalinG/coala,karansingh1559/coala,Uran198/coala,swatilodha/coala,MattAllmendinger/coala,SambitAcharya/coala,nemaniarjun/coala,sophiavanvalkenburg/coala,Nosferatul/coala,SambitAcharya/coala,SanketDG/coala,abhiroyg/coala,refeed/coala,nemaniarjun/coala,d6e/coala,Asnelchristian/coala,karansingh1559/coala,RJ722/coala,meetmangukiya/coala,AdeshAtole/coala,netman92/coala,impmihai/coala,arush0311/coala,Shade5/coala,stevemontana1980/coala,ManjiriBirajdar/coala,CruiseDevice/coala,RJ722/coala,RJ722/coala,Balaji2198/coala,kartikeys98/coala,sils1297/coala,saurabhiiit/coala,damngamerz/coala,yashLadha/coala,arjunsinghy96/coala,tltuan/coala,coala/coala,NalinG/coala,djkonro/coala,vinc456/coala,meetmangukiya/coala,stevemontana1980/coala,coala-analyzer/coala,Uran198/coala,coala-analyzer/coala,MariosPanag/coala,dagdaggo/coala,svsn2117/coala,refeed/coala,scottbelden/coala,arjunsinghy96/coala,yland/coala,incorrectusername/coala,NalinG/coala,nemaniarjun/coala,stevemontana1980/coala,shreyans800755/coala,rresol/coala,CruiseDevice/coala,ayushin78/coala,djkonro/coala,vinc456/coala,scottbelden/coala,arafsheikh/coala,dagdaggo/coala,AdeshAtole/coala,coala/coala,AdeshAtole/coala,damngamerz/coala,Uran198/coala,SambitAcharya/coala,rresol/coala,d6e/coala,lonewolf07/coala,rimacone/testing2,yashtrivedi96/coala,abhiroyg/coala,tushar-rishav/coala,arush0311/coala,kartikeys98/coala,JohnS-01/coala,svsn2117/coala,sagark123/coala,aptrishu/coala,SambitAcharya/coala,sils1297/coala,ManjiriBirajdar/coala,d6e/coala,sagark123/coala,Asnelchristian/coala,NalinG/coala,swatilodha/coala,AbdealiJK/coala,MattAllmendinger/coala,rimacone/testing2,incorrectusername/coala,MariosPanag/coala,abhiroyg/coala,JohnS-01/coala,yland/coala,sagark123/coala,MariosPanag/coala,mr-karan/coala,tltuan/coala,netman92/coala,NiklasMM/coala,meetmangukiya/coala,lonewolf07/coala,AbdealiJK/coala,Shade5/coala,AbdealiJK/coala,SambitAcharya/coala,SanketDG/coala,MattAllmendinger/coala,impmihai/coala,SanketDG/coala,aptrishu/coala,Shade5/coala,shreyans800755/coala,sophiavanvalkenburg/coala,refeed/coala,jayvdb/coala,ayushin78/coala,arafsheikh/coala,NalinG/coala,NiklasMM/coala,djkonro/coala,rresol/coala,damngamerz/coala,yashLadha/coala,yashtrivedi96/coala,CruiseDevice/coala,lonewolf07/coala,NalinG/coala,tltuan/coala,Asnelchristian/coala,Asalle/coala,SambitAcharya/coala,coala-analyzer/coala,dagdaggo/coala,karansingh1559/coala,Asalle/coala,sils1297/coala,ayushin78/coala,tushar-rishav/coala,saurabhiiit/coala,NiklasMM/coala,jayvdb/coala,kartikeys98/coala,Asalle/coala,yashLadha/coala,SambitAcharya/coala,aptrishu/coala,JohnS-01/coala,svsn2117/coala,sudheesh001/coala,mr-karan/coala,netman92/coala,sophiavanvalkenburg/coala,Balaji2198/coala,arafsheikh/coala,arjunsinghy96/coala,mr-karan/coala,tushar-rishav/coala