remove nonexploitable sinks

Author: Stephan Brandauer

java/ql/lib/ext/java.nio.file.model.yml

@@ -27,9 +27,6 @@ extensions:
       - ["java.nio.file", "Files", True, "createDirectory", "(Path,FileAttribute[])", "", "Argument[0]", "create-file", "ai-generated"]
       - ["java.nio.file", "Files", True, "createFile", "(Path,FileAttribute[])", "", "Argument[0]", "create-file", "ai-generated"]
       - ["java.nio.file", "Files", True, "createTempFile", "(Path,String,String,FileAttribute[])", "", "Argument[0]", "create-file", "ai-generated"]
-      - ["java.nio.file", "Files", True, "getLastModifiedTime", "(Path,LinkOption[])", "", "Argument[0]", "read-file", "ai-generated"]
-      - ["java.nio.file", "Files", True, "isDirectory", "(Path,LinkOption[])", "", "Argument[0]", "read-file", "ai-generated"]
-      - ["java.nio.file", "Files", True, "isWritable", "(Path)", "", "Argument[0]", "read-file", "ai-generated"]
       - ["java.nio.file", "Files", True, "move", "(Path,Path,CopyOption[])", "", "Argument[1]", "create-file", "ai-generated"]
 # suggested label is not supported:      - ["java.nio.file", "Files", True, "delete", "(Path)", "", "Argument[0]", "delete-file", "ai-generated"]
 # suggested label is not supported:      - ["java.nio.file", "Files", True, "move", "(Path,Path,CopyOption[])", "", "Argument[0]", "delete-file", "ai-generated"]