docs: anonymise project asset names in source comments

Measured figures are kept; only the studio-specific level and asset
names are generalised, and the Perforce rationale is reworded to
describe the class of setups rather than this one project.

Co-Authored-By: Claude Code <noreply@anthropic.com>

Source/AssetUsageAuditTests/Private/AssetDependencyClosure.spec.cpp

@@ -232,8 +232,8 @@ void AssetDependencyClosureSpec::Define()
 
         It("does not follow a map that an ordinary asset merely mentions", [this]()
         {
-            // The defect this guards against: exporting WP_Main pulled in the whole of L_MainLevel
-            // through BP_FirstPersonGameMode -> PDA_MenuSystemConfig, 9994 packages belonging to a
+            // The defect this guards against: exporting WP_Example pulled in the whole of L_Other
+            // through BP_GameMode -> PDA_MenuConfig, 9994 packages belonging to a
             // different location. FLevelUsageResolver already refused that crossing; the closure
             // did not, so the two disagreed about the same graph.
             IAssetRegistry& Registry = ReadyRegistry();