[ITensors] Delete ITensorNetworkMaps submodule (#1413)

Author: mtfishman

src/ITensors.jl

@@ -164,7 +164,6 @@ include("lib/ITensorMPS/src/ITensorMPS.jl")
 include("lib/ITensorsNamedDimsArraysExt/src/ITensorsNamedDimsArraysExt.jl")
 using .ITensorsNamedDimsArraysExt: ITensorsNamedDimsArraysExt
 include("../ext/ITensorsChainRulesCoreExt/ITensorsChainRulesCoreExt.jl")
-include("lib/ITensorNetworkMaps/src/ITensorNetworkMaps.jl")
 include("lib/ITensorVisualizationCore/src/ITensorVisualizationCore.jl")
 # TODO: `using .ITensorVisualizationCore: ITensorVisualizationCore, ...`.
 using .ITensorVisualizationCore

src/lib/ITensorNetworkMaps/src/ITensorNetworkMaps.jl

@@ -20,7 +20,6 @@ ITensors.disable_threaded_blocksparse()
       "threading",
       "lib/ContractionSequenceOptimization",
       "ext/ITensorsChainRulesCoreExt",
-      "lib/ITensorNetworkMaps",
       "ext/ITensorsVectorInterfaceExt",
     ]
     @time for dir in dirs