Fixed the index of tutorials

Documentation/Tutorials/index.md

@@ -2,11 +2,10 @@
 
 ## Tutorials
 
-1. [Building applications with TNL](tutorial_building_applications_with_tnl.html)
-2. [General concepts](tutorial_GeneralConcepts.html)
-3. [Arrays](tutorial_Arrays.html)
-4. [Vectors](tutorial_Vectors.html)
-5. [Flexible parallel reduction and scan](tutorial_ReductionAndScan.html)
-6. [For loops](tutorial_ForLoops.html)
-7. [Cross-device pointers](tutorial_Pointers.html)
-8. [Matrices](tutorial_Matrices.html)
+1. [General concepts](tutorial_GeneralConcepts.html)
+2. [Arrays](tutorial_Arrays.html)
+3. [Vectors](tutorial_Vectors.html)
+4. [Flexible parallel reduction and scan](tutorial_ReductionAndScan.html)
+5. [For loops](tutorial_ForLoops.html)
+6. [Cross-device pointers](tutorial_Pointers.html)
+7. [Matrices](tutorial_Matrices.html)