Remove references to deprecated plugin StructUtils (now part of CoreUObject)

#jira UE-216472
#rb devin.doucette

#changelist validated

[CL 34514179 by yoan stamant in ue5-main branch]

Engine/Plugins/Runtime/SmartObjects/Source/SmartObjectsEditorModule/SmartObjectsEditorModule.Build.cs

@@ -22,7 +22,6 @@ namespace UnrealBuildTool.Rules
 				"GameplayTags",
 				"SmartObjectsModule",
 				"SourceControl",
-				"StructUtils",
 				"UnrealEd",
 				"WorldConditions",
 			}

Engine/Plugins/Runtime/SmartObjects/Source/SmartObjectsModule/SmartObjectsModule.Build.cs

@@ -23,7 +23,6 @@ namespace UnrealBuildTool.Rules
 				"GameplayTags",
 				"GameplayAbilities",
 				"RHI",
-				"StructUtils",
 				"WorldConditions",
 				"NavigationSystem",
 				"TargetingSystem",

Engine/Plugins/Runtime/SmartObjects/Source/SmartObjectsTestSuite/SmartObjectsTestSuite.Build.cs

@@ -15,15 +15,18 @@ namespace UnrealBuildTool.Rules
 
 			PublicDependencyModuleNames.AddRange(
 				new[] {
-					"AITestSuite",
 					"Core",
 					"CoreUObject",
 					"Engine",
-					"GameplayTags",
 					"SmartObjectsModule",
-					"StructUtils",
+				}
+			);
+
+			PrivateDependencyModuleNames.AddRange(
+				new[] {
+					"AITestSuite",
+					"GameplayTags",
 					"WorldConditions",
-					"NavigationSystem"
 				}
 			);