remove this unused string
remove this unused string

kden/ChatSecureAndroid,n8fr8/ChatSecureAndroid,n8fr8/ChatSecureAndroid,h2ri/ChatSecureAndroid,guardianproject/ChatSecureAndroid,Heart2009/ChatSecureAndroid,Heart2009/ChatSecureAndroid,h2ri/ChatSecureAndroid,eighthave/ChatSecureAndroid,n8fr8/AwesomeApp,kden/ChatSecureAndroid,prembasumatary/ChatSecureAndroid,n8fr8/AwesomeApp,n8fr8/ChatSecureAndroid,joskarthic/chatsecure,joskarthic/chatsecure,kden/ChatSecureAndroid,joskarthic/chatsecure,bonashen/ChatSecureAndroid,bonashen/ChatSecureAndroid,anvayarai/my-ChatSecure,anvayarai/my-ChatSecure,eighthave/ChatSecureAndroid,eighthave/ChatSecureAndroid,guardianproject/ChatSecureAndroid,prembasumatary/ChatSecureAndroid,n8fr8/AwesomeApp,anvayarai/my-ChatSecure,prembasumatary/ChatSecureAndroid,bonashen/ChatSecureAndroid,guardianproject/ChatSecureAndroid,Heart2009/ChatSecureAndroid,h2ri/ChatSecureAndroid