GP-4970 - Fixed broken help TOC link that points to generated file

Ghidra/Framework/Help/src/main/java/help/JavaHelpFilesBuilder.java

@@ -4,9 +4,9 @@
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
- * 
+ *
  *      http://www.apache.org/licenses/LICENSE-2.0
- * 
+ *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
@@ -220,6 +220,7 @@ public class JavaHelpFilesBuilder {
 				Files.delete(file);
 			}
 			catch (IOException e) {
+				// ignore
 			}
 		}
 	}