chore(Topology/Algebra/Module/LinearMap): deprecate_module (leanprover-community#39668)

Also covers the `.../LinearMapPiProd.lean` -> `.../ContinuousLinearMap/PiProd.lean` move.

Follow-up for leanprover-community#39612

Author: ADedecker

Mathlib.lean

@@ -7474,6 +7474,8 @@ public import Mathlib.Topology.Algebra.Module.Determinant
 public import Mathlib.Topology.Algebra.Module.Equiv
 public import Mathlib.Topology.Algebra.Module.FiniteDimension
 public import Mathlib.Topology.Algebra.Module.FiniteDimensionBilinear
+public import Mathlib.Topology.Algebra.Module.LinearMap
+public import Mathlib.Topology.Algebra.Module.LinearMapPiProd
 public import Mathlib.Topology.Algebra.Module.LinearPMap
 public import Mathlib.Topology.Algebra.Module.LocallyConvex
 public import Mathlib.Topology.Algebra.Module.ModuleTopology

Mathlib/Topology/Algebra/Module/LinearMap.lean

@@ -0,0 +1,9 @@
+module -- shake: keep-all
+
+public import Mathlib.Topology.Algebra.Module.ContinuousLinearMap.Basic
+public import Mathlib.Topology.Algebra.Module.ContinuousLinearMap.Idempotent
+public import Mathlib.Topology.Algebra.Module.ContinuousLinearMap.Quotient
+public import Mathlib.Topology.Algebra.Module.ContinuousLinearMap.Restrict
+public import Mathlib.Topology.Algebra.Module.ContinuousLinearMap.RestrictScalars
+
+deprecated_module (since := "2026-05-21")

Mathlib/Topology/Algebra/Module/LinearMapPiProd.lean

@@ -0,0 +1,5 @@
+module -- shake: keep-all
+
+public import Mathlib.Topology.Algebra.Module.ContinuousLinearMap.PiProd
+
+deprecated_module (since := "2026-05-21")