chore(test): delete fundamentals Gmsh recipe tutorial script

Remove companion recipe script for retired Gmsh tutorial.

- Drop `reading_gmsh_meshes_recipe.jl`.

test/tutorials/01_fundamentals/reading_gmsh_meshes_recipe.jl

@@ -1,74 +0,0 @@
-# Recipe to generate reading_gmsh_meshes.msh
-# 
-# This file shows how the test mesh was created using Gmsh.jl.
-# Run this file to regenerate the mesh if needed.
-#
-# Mesh: 10-element square (2×5 structured quad mesh)
-# Domain: [0,1] × [0,1]
-# Element type: Quad4 (4-node quadrilaterals)
-
-using Gmsh
-
-# Initialize Gmsh
-gmsh.initialize()
-gmsh.model.add("square_10_elements")
-
-# Geometry: Unit square
-lc = 0.5  # Characteristic length (controls element size)
-
-# Points (corners of square)
-gmsh.model.geo.addPoint(0.0, 0.0, 0.0, lc, 1)
-gmsh.model.geo.addPoint(1.0, 0.0, 0.0, lc, 2)
-gmsh.model.geo.addPoint(1.0, 1.0, 0.0, lc, 3)
-gmsh.model.geo.addPoint(0.0, 1.0, 0.0, lc, 4)
-
-# Lines (edges of square)
-gmsh.model.geo.addLine(1, 2, 1)  # Bottom
-gmsh.model.geo.addLine(2, 3, 2)  # Right
-gmsh.model.geo.addLine(3, 4, 3)  # Top
-gmsh.model.geo.addLine(4, 1, 4)  # Left
-
-# Surface (the square itself)
-gmsh.model.geo.addCurveLoop([1, 2, 3, 4], 1)
-gmsh.model.geo.addPlaneSurface([1], 1)
-
-# Synchronize geometry
-gmsh.model.geo.synchronize()
-
-# Structured mesh (2 elements in x, 5 in y = 10 quads)
-gmsh.model.mesh.setTransfiniteCurve(1, 3)  # Bottom: 3 nodes = 2 elements
-gmsh.model.mesh.setTransfiniteCurve(3, 3)  # Top: 3 nodes = 2 elements
-gmsh.model.mesh.setTransfiniteCurve(2, 6)  # Right: 6 nodes = 5 elements
-gmsh.model.mesh.setTransfiniteCurve(4, 6)  # Left: 6 nodes = 5 elements
-gmsh.model.mesh.setTransfiniteSurface(1)
-gmsh.model.mesh.setRecombine(2, 1)  # Combine triangles into quads
-
-# Physical groups (for boundary conditions)
-gmsh.model.addPhysicalGroup(2, [1], 1, "DOMAIN")   # Surface elements
-gmsh.model.addPhysicalGroup(1, [1], 2, "BOTTOM")   # Bottom edge
-gmsh.model.addPhysicalGroup(1, [2], 3, "RIGHT")    # Right edge  
-gmsh.model.addPhysicalGroup(1, [3], 4, "TOP")      # Top edge
-gmsh.model.addPhysicalGroup(1, [4], 5, "LEFT")     # Left edge
-
-# Generate 2D mesh
-gmsh.model.mesh.generate(2)
-
-# Save to file (v4.1 format - newest)
-output_file = joinpath(@__DIR__, "reading_gmsh_meshes.msh")
-gmsh.write(output_file)
-
-# Print mesh statistics
-println("Mesh generated successfully!")
-println("Output file: $output_file")
-println("Nodes: ", length(gmsh.model.mesh.getNodes()[1]))
-entities = gmsh.model.getEntities(2)  # 2D entities (surfaces)
-for entity in entities
-    elements = gmsh.model.mesh.getElements(entity[1], entity[2])
-    println("Elements: ", length(elements[2][1]))
-end
-
-# Cleanup
-gmsh.finalize()
-
-println("\nTo view the mesh:")
-println("  gmsh $output_file")