Fix some typos and remove reference to Literate (no longer relevant)

Author: AleMorales

docs/src/tutorials/from_tree_forest/forest.md

@@ -1,5 +1,3 @@
-
-
 # Forest
 
 Alejandro Morales & Ana Ernst
@@ -314,7 +312,3 @@ res = calculate_resolution(width = 16.0, height = 16.0, dpi = 1_000)
 output = render(mesh, axes = false, size = res)
 export_scene(scene = output, filename = "nice_trees.png")
 ```
-
----
-
-*This page was generated using [Literate.jl](https://github.com/fredrikekre/Literate.jl).*

docs/src/tutorials/from_tree_forest/growthforest.md

@@ -459,7 +459,3 @@ And compute the leaf area index:
 ```julia
 get_LAI(forest)
 ```
-
----
-
-*This page was generated using [Literate.jl](https://github.com/fredrikekre/Literate.jl).*

docs/src/tutorials/from_tree_forest/photosynthesis.md

@@ -165,7 +165,6 @@ rotatey!(soil, pi/2)
 VirtualPlantLab.translate!(soil, Vec(0.0, 10.5, 0.0))
 VirtualPlantLab.add!(scene, soil, colors = RGB(1,1,0),
                 materials = Lambertian(τ = 0.0, ρ = 0.21))
-#render(scene, backend = "web", resolution = (800, 600))
 ```
 
 Unlike in the previous example, we can no longer run a single raytracer to

docs/src/tutorials/from_tree_forest/raytracedforest.md

@@ -281,6 +281,7 @@ function create_sky(;mesh, lat = 52.0*π/180.0, DOY = 182)
     end
     return dome
 end
+```
 
 The 3D scene and the light sources are then combined into a `RayTracer` object,
 together with general settings for the ray tracing simulation chosen via `RTSettings()`.
@@ -592,7 +593,3 @@ for i in 1:20
     end
 end
 ```
-
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-
-*This page was generated using [Literate.jl](https://github.com/fredrikekre/Literate.jl).*

docs/src/tutorials/from_tree_forest/tree.md

@@ -1,5 +1,3 @@
-
-
 # Tree
 
 Alejandro Morales & Ana Ernst
@@ -200,7 +198,3 @@ Further steps will generate a structure that is more tree-like.
 newtree = simulate(newtree, getInternode, 15)
 render(Mesh(newtree))
 ```
-
----
-
-*This page was generated using [Literate.jl](https://github.com/fredrikekre/Literate.jl).*