Update classical_variables_and_operations.ipynb

Author: alexandre-ricardo

tutorials/documentation_materials/classiq_101/classiq_concepts/design/classical_variables_and_operations/classical_variables_and_operations.ipynb

@@ -187,7 +187,6 @@
     "@qfunc(generative=True)\n",
     "def main(x: Output[QArray]):\n",
     "    allocate(24, x)\n",
-    "    k=0\n",
     "    for i in range(x.len//3,x.len//2):\n",
     "        X(x[i])"
    ]