Revert "Add back rand_graph with seed"

This reverts commit 9d43be2.

Author: aurorarossi

test/GNNGraphs/query.jl

@@ -135,14 +135,12 @@
     @testset "laplacian_lambda_max" begin
         s = [1, 2, 3, 4, 5, 1, 2, 3, 4, 5]
         t = [2, 3, 4, 5, 1, 5, 1, 2, 3, 4]
-        g = GNNGraph(s, t)
+        g = GNNGraph(s,t)
         @test laplacian_lambda_max(g) ≈ Float32(1.809017)
-        data1 = [g for i in 1:5]
-        gall1 = Flux.batch(data1)
-        @test laplacian_lambda_max(gall1) ≈ [Float32(1.809017) for i in 1:5]
-        data2 = [rand_graph(10, 20; seed=i) for i in 1:3]
-        gall2 = Flux.batch(data2)
-        @test length(laplacian_lambda_max(gall2)) == 3
+        data = [g for i in 1:5]
+        gall = Flux.batch(data)
+        @test laplacian_lambda_max(gall) ≈ [Float32(1.809017) for i in 1:5]
+        @test length(laplacian_lambda_max(gall)) == 5
     end
 
     @testset "adjacency_matrix" begin