Remove a duplicate minitest

tests/mini/arrays15.d

@@ -1,43 +0,0 @@
-module arrays15;
-
-extern(C) int printf(char*, ...);
-
-void integer()
-{
-    auto arr = new int[16];
-    arr[1] = 42;
-    arr[6] = 555;
-    print_int(arr);
-    delete arr;
-}
-
-void floating()
-{
-    auto arr = new float[6];
-    arr[1] = 3.14159265;
-    arr[3] = 1.61803399;
-    print_float(arr);
-    delete arr;
-}
-
-void print_int(int[] arr)
-{
-    printf("arr[%lu] = [", arr.length);
-    for (auto i=0; i<arr.length; i++)
-        printf("%d,", arr[i]);
-    printf("\b]\n");
-}
-
-void print_float(float[] arr)
-{
-    printf("arr[%lu] = [", arr.length);
-    for (auto i=0; i<arr.length; i++)
-        printf("%f,", arr[i]);
-    printf("\b]\n");
-}
-
-void main()
-{
-    integer();
-    floating();
-}