Update ModuleInterface/ModuleCache/SDKDependencies.swift (NFC)

This one `DEPCHANGE-DAG: SDKDependencies.swift` used to match because
the expansion of the `%t` temp dir contained the substring
"SDKDependencies.swift", but this is now sanitized to `TMP_DIR`.

Author: hnrklssn

test/ModuleInterface/ModuleCache/SDKDependencies.swift

@@ -221,7 +221,6 @@
 //
 // DEPCHANGE-DAG: SdkLib.swiftinterface
 // DEPCHANGE-DAG: ExportedLib.swiftinterface
-// DEPCHANGE-DAG: SDKDependencies.swift
 
 import SdkLib