examples: revert gcc-5 turnaround

examples/userapi/05_conditional_dimension.ipynb

@@ -881,8 +881,6 @@
       "  _MM_SET_DENORMALS_ZERO_MODE(_MM_DENORMALS_ZERO_ON);\n",
       "  _MM_SET_FLUSH_ZERO_MODE(_MM_FLUSH_ZERO_ON);\n",
       "\n",
-      "  int i = 0;\n",
-      "\n",
       "  /* Begin section0 */\n",
       "  START_TIMER(section0)\n",
       "  for (int x = x_m; x <= x_M; x += 1)\n",
@@ -892,7 +890,7 @@
       "      if (f[x][y] != 0)\n",
       "      {\n",
       "        int r0 = 1;\n",
-      "        g[i + 1] += r0;\n",
+      "        g[1] += r0;\n",
       "      }\n",
       "    }\n",
       "  }\n",
@@ -925,12 +923,9 @@
     "g = Function(name='g', shape=(1,), dimensions=(ci,), dtype=np.int32)\n",
     "\n",
     "# Extra Scalar used to avoid reduction in gcc-5\n",
-    "i = Scalar(name='i', dtype=np.int32)\n",
-    "eqi = Eq(i, 0)\n",
-    "\n",
-    "eq0 = Inc(g[i], 1, implicit_dims=(f.dimensions + (ci,)))\n",
+    "eq0 = Inc(g[0], 1, implicit_dims=(f.dimensions + (ci,)))\n",
     "\n",
-    "op0 = Operator([eqi, eq0], opt=('advanced', {'par-collapse-ncores': 1000}))\n",
+    "op0 = Operator([eq0])\n",
     "op0.apply()\n",
     "\n",
     "assert (np.count_nonzero(f.data) == g.data[0])\n",
@@ -1086,7 +1081,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.7.5"
+   "version": "3.9.7"
   }
  },
  "nbformat": 4,