Kotlin: Remove an unused method

Author: igfoo

java/kotlin-extractor/src/main/java/com/semmle/extractor/java/OdasaOutput.java

@@ -255,17 +255,6 @@ private void deleteTrapFileAndDependencies(IrDeclaration sym, String signature)
 	 * Trap writers.
 	 */
 
-	/**
-	 * A {@link TrapFileManager} to output facts for the given source file,
-	 * or <code>null</code> if the source file should not be populated.
-	 */
-	private TrapFileManager getTrapWriterForCurrentSourceFile() {
-		File trapFile = getTrapFileForCurrentSourceFile();
-		if (trapFile==null)
-			return null;
-		return trapWriter(trapFile, null, null);
-	}
-
 	/**
 	 * Get a {@link TrapFileManager} to write members
 	 * about a declaration, or <code>null</code> if the declaration shouldn't be populated.