StringProcessing: Delete trim_empty function
StringProcessing: Delete trim_empty function

The functionality can be easily achieved in one line with a filter and
is also not used anywhere.

AbdealiJK/coala,shreyans800755/coala,NiklasMM/coala,djkonro/coala,rimacone/testing2,SambitAcharya/coala,karansingh1559/coala,RJ722/coala,stevemontana1980/coala,arjunsinghy96/coala,yland/coala,shreyans800755/coala,jayvdb/coala,sudheesh001/coala,yashLadha/coala,coala-analyzer/coala,scottbelden/coala,Shade5/coala,MariosPanag/coala,meetmangukiya/coala,SambitAcharya/coala,yashLadha/coala,vinc456/coala,sudheesh001/coala,rimacone/testing2,sophiavanvalkenburg/coala,svsn2117/coala,AbdealiJK/coala,coala-analyzer/coala,d6e/coala,SambitAcharya/coala,mr-karan/coala,Tanmay28/coala,Tanmay28/coala,coala/coala,yland/coala,arush0311/coala,dagdaggo/coala,nemaniarjun/coala,nemaniarjun/coala,sagark123/coala,stevemontana1980/coala,sils1297/coala,CruiseDevice/coala,arafsheikh/coala,SanketDG/coala,Tanmay28/coala,arafsheikh/coala,ManjiriBirajdar/coala,Tanmay28/coala,svsn2117/coala,incorrectusername/coala,yashtrivedi96/coala,rimacone/testing2,AdeshAtole/coala,yland/coala,Nosferatul/coala,coala-analyzer/coala,saurabhiiit/coala,MattAllmendinger/coala,lonewolf07/coala,nemaniarjun/coala,incorrectusername/coala,karansingh1559/coala,refeed/coala,JohnS-01/coala,kartikeys98/coala,mr-karan/coala,Balaji2198/coala,Shade5/coala,sophiavanvalkenburg/coala,arafsheikh/coala,Asnelchristian/coala,lonewolf07/coala,coala/coala,tltuan/coala,scriptnull/coala,ManjiriBirajdar/coala,abhiroyg/coala,mr-karan/coala,sudheesh001/coala,AdeshAtole/coala,aptrishu/coala,Uran198/coala,kartikeys98/coala,djkonro/coala,NiklasMM/coala,tushar-rishav/coala,Asalle/coala,refeed/coala,Tanmay28/coala,ayushin78/coala,scriptnull/coala,karansingh1559/coala,arjunsinghy96/coala,saurabhiiit/coala,CruiseDevice/coala,SambitAcharya/coala,aptrishu/coala,NalinG/coala,coala/coala,ayushin78/coala,meetmangukiya/coala,dagdaggo/coala,sophiavanvalkenburg/coala,JohnS-01/coala,lonewolf07/coala,Tanmay28/coala,tltuan/coala,meetmangukiya/coala,Asnelchristian/coala,tushar-rishav/coala,yashtrivedi96/coala,NalinG/coala,impmihai/coala,scriptnull/coala,jayvdb/coala,swatilodha/coala,scriptnull/coala,rresol/coala,NalinG/coala,rresol/coala,damngamerz/coala,MariosPanag/coala,Tanmay28/coala,jayvdb/coala,Shade5/coala,Uran198/coala,abhiroyg/coala,tushar-rishav/coala,AdeshAtole/coala,NiklasMM/coala,Asalle/coala,vinc456/coala,arush0311/coala,Asnelchristian/coala,CruiseDevice/coala,Uran198/coala,arush0311/coala,svsn2117/coala,RJ722/coala,JohnS-01/coala,NalinG/coala,shreyans800755/coala,MariosPanag/coala,aptrishu/coala,netman92/coala,arjunsinghy96/coala,sils1297/coala,sils1297/coala,refeed/coala,Balaji2198/coala,damngamerz/coala,AbdealiJK/coala,scriptnull/coala,d6e/coala,yashtrivedi96/coala,dagdaggo/coala,saurabhiiit/coala,sagark123/coala,djkonro/coala,d6e/coala,stevemontana1980/coala,SanketDG/coala,scriptnull/coala,NalinG/coala,ManjiriBirajdar/coala,SanketDG/coala,netman92/coala,impmihai/coala,Asalle/coala,Nosferatul/coala,scottbelden/coala,SambitAcharya/coala,impmihai/coala,NalinG/coala,incorrectusername/coala,ayushin78/coala,swatilodha/coala,MattAllmendinger/coala,MattAllmendinger/coala,SambitAcharya/coala,sagark123/coala,kartikeys98/coala,RJ722/coala,Nosferatul/coala,scottbelden/coala,Tanmay28/coala,rresol/coala,damngamerz/coala,yashLadha/coala,swatilodha/coala,NalinG/coala,scriptnull/coala,tltuan/coala,SambitAcharya/coala,Balaji2198/coala,abhiroyg/coala,vinc456/coala,netman92/coala