Disabled external gits

cs440-acg/ext/eigen/doc/snippets/TopicStorageOrders_example.cpp

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+Matrix<int, 3, 4, ColMajor> Acolmajor;
+Acolmajor << 8, 2, 2, 9,
+             9, 1, 4, 4,
+	     3, 5, 4, 5;
+cout << "The matrix A:" << endl;
+cout << Acolmajor << endl << endl; 
+
+cout << "In memory (column-major):" << endl;
+for (int i = 0; i < Acolmajor.size(); i++)
+  cout << *(Acolmajor.data() + i) << "  ";
+cout << endl << endl;
+
+Matrix<int, 3, 4, RowMajor> Arowmajor = Acolmajor;
+cout << "In memory (row-major):" << endl;
+for (int i = 0; i < Arowmajor.size(); i++)
+  cout << *(Arowmajor.data() + i) << "  ";
+cout << endl;
+