turn off internet and remove pip install

Author: alexisbcook

notebooks/intro_to_programming/raw/ex4.ipynb

@@ -25,7 +25,6 @@
    },
    "outputs": [],
    "source": [
-    "!pip install -U -t /kaggle/working/ git+https://github.com/Kaggle/learntools.git@master\n",
     "from learntools.core import binder\n",
     "binder.bind(globals())\n",
     "from learntools.intro_to_programming.ex4 import *\n",

notebooks/intro_to_programming/track_meta.py

@@ -22,7 +22,7 @@
     dict(filename="tut3.ipynb", lesson_idx=2, type="tutorial"),      # 25258222
     dict(filename="ex3.ipynb", lesson_idx=2, type="exercise", scriptid=25258226),
     dict(filename="tut4.ipynb", lesson_idx=3, type="tutorial"),      # 25880617
-    dict(filename="ex4.ipynb", lesson_idx=3, type="exercise", scriptid=25880622, enable_internet=True),
+    dict(filename="ex4.ipynb", lesson_idx=3, type="exercise", scriptid=25880622),
     dict(filename="tut5.ipynb", lesson_idx=4, type="tutorial"),      # 26034860
     dict(filename="ex5.ipynb", lesson_idx=4, type="exercise", scriptid=26034864),
 ]