Extraneous assignment in Julia implementation of Graham Scan (#262)

Author: mika314

chapters/algorithms/graham_scan/code/julia/graham.jl

@@ -24,7 +24,6 @@ function graham_scan(points::Vector{Point})
 
     # M will be the point on the hull
     M = 2
-    i = 3
     for i = 1:N
         while (ccw(points[M-1], points[M], points[i]) <= 0)
             if (M > 2)

chapters/algorithms/graham_scan/graham_scan.md

@@ -35,7 +35,7 @@ In the end, the code should look something like this:
 
 {% method %}
 {% sample lang="jl" %}
-[import:10-46, lang:"julia"](code/julia/graham.jl)
+[import:10-45, lang:"julia"](code/julia/graham.jl)
 {% sample lang="hs" %}
 [import:9-18, lang:"haskell"](code/haskell/grahamScan.hs)
 {% sample lang="c" %}