Removed some old non-essential files

Samo Penic

2020-04-13 a7fb2b94260897ec914f0bbf31698e166263036c

 src/energy.c

@@ -240,5 +240,5 @@
}

void stretchenergy(ts_vesicle *vesicle, ts_triangle *triangle){
   triangle->energy=vesicle->tape->xkA0/vesicle->tlist->n/2*pow((triangle->area/vesicle->tlist->a0-1),2);
   triangle->energy=vesicle->tape->xkA0/2.0*pow((triangle->area/vesicle->tlist->a0-1.0),2);
}