index.rst: Remove search link
index.rst: Remove search link

This link is an empty page, useless to the user.

Fixes https://github.com/coala-analyzer/coala/issues/2253

coala/coala,Balaji2198/coala,netman92/coala,aptrishu/coala,Asalle/coala,Asnelchristian/coala,JohnS-01/coala,rimacone/testing2,refeed/coala,JohnS-01/coala,vinc456/coala,mr-karan/coala,ManjiriBirajdar/coala,Asnelchristian/coala,arush0311/coala,nemaniarjun/coala,MariosPanag/coala,incorrectusername/coala,karansingh1559/coala,arush0311/coala,jayvdb/coala,scottbelden/coala,sils1297/coala,yashLadha/coala,coala-analyzer/coala,kartikeys98/coala,shreyans800755/coala,mr-karan/coala,rimacone/testing2,RJ722/coala,impmihai/coala,damngamerz/coala,shreyans800755/coala,kartikeys98/coala,SanketDG/coala,ayushin78/coala,Shade5/coala,meetmangukiya/coala,meetmangukiya/coala,shreyans800755/coala,damngamerz/coala,aptrishu/coala,incorrectusername/coala,stevemontana1980/coala,ManjiriBirajdar/coala,CruiseDevice/coala,impmihai/coala,Nosferatul/coala,aptrishu/coala,Nosferatul/coala,netman92/coala,tushar-rishav/coala,nemaniarjun/coala,arjunsinghy96/coala,Asalle/coala,Shade5/coala,vinc456/coala,coala-analyzer/coala,yashLadha/coala,arjunsinghy96/coala,tushar-rishav/coala,yashLadha/coala,ayushin78/coala,yashtrivedi96/coala,Balaji2198/coala,abhiroyg/coala,Asalle/coala,NiklasMM/coala,kartikeys98/coala,mr-karan/coala,incorrectusername/coala,karansingh1559/coala,Balaji2198/coala,sils1297/coala,netman92/coala,nemaniarjun/coala,karansingh1559/coala,abhiroyg/coala,impmihai/coala,sagark123/coala,Asnelchristian/coala,ayushin78/coala,Shade5/coala,yashtrivedi96/coala,jayvdb/coala,scottbelden/coala,tushar-rishav/coala,arjunsinghy96/coala,CruiseDevice/coala,sagark123/coala,arush0311/coala,SanketDG/coala,MariosPanag/coala,coala/coala,NiklasMM/coala,NiklasMM/coala,Nosferatul/coala,MariosPanag/coala,RJ722/coala,sagark123/coala,jayvdb/coala,JohnS-01/coala,meetmangukiya/coala,damngamerz/coala,refeed/coala,scottbelden/coala,stevemontana1980/coala,sils1297/coala,yashtrivedi96/coala,rimacone/testing2,abhiroyg/coala,CruiseDevice/coala,coala/coala,SanketDG/coala,ManjiriBirajdar/coala,vinc456/coala,refeed/coala,coala-analyzer/coala,stevemontana1980/coala,RJ722/coala