C++: Remove `cpp/duplicated-lines-in-files` which was deprecated over a year ago

config/identical-files.json

@@ -426,7 +426,6 @@
     "python/ql/src/Lexical/CommentedOutCodeMetricOverview.inc.qhelp"
   ],
   "FLinesOfDuplicatedCodeCommon.inc.qhelp": [
-    "cpp/ql/src/Metrics/Files/FLinesOfDuplicatedCodeCommon.inc.qhelp",
     "java/ql/src/Metrics/Files/FLinesOfDuplicatedCodeCommon.inc.qhelp",
     "javascript/ql/src/Metrics/FLinesOfDuplicatedCodeCommon.inc.qhelp",
     "python/ql/src/Metrics/FLinesOfDuplicatedCodeCommon.inc.qhelp"

cpp/ql/src/Metrics/Files/FLinesOfDuplicatedCode.qhelp

@@ -1,6 +0,0 @@
-<!DOCTYPE qhelp PUBLIC
-  "-//Semmle//qhelp//EN"
-  "qhelp.dtd">
-<qhelp>
-<include src="FLinesOfDuplicatedCodeCommon.inc.qhelp" />
-</qhelp>

cpp/ql/src/Metrics/Files/FLinesOfDuplicatedCode.ql

@@ -1,27 +0,0 @@
-/**
- * @deprecated
- * @name Duplicated lines in files
- * @description The number of lines in a file, including code, comment
- *              and whitespace lines, which are duplicated in at least
- *              one other place.
- * @kind treemap
- * @treemap.warnOn highValues
- * @metricType file
- * @metricAggregate avg sum max
- * @id cpp/duplicated-lines-in-files
- * @tags testability
- *       modularity
- */
-
-import external.CodeDuplication
-
-from File f, int n
-where
-  n =
-    count(int line |
-      exists(DuplicateBlock d | d.sourceFile() = f |
-        line in [d.sourceStartLine() .. d.sourceEndLine()]
-      ) and
-      not whitelistedLineForDuplication(f, line)
-    )
-select f, n order by n desc

cpp/ql/src/Metrics/Files/FLinesOfDuplicatedCodeCommon.inc.qhelp

@@ -1,35 +0,0 @@
-<!DOCTYPE qhelp PUBLIC
-  "-//Semmle//qhelp//EN"
-  "qhelp.dtd">
-<qhelp>
-<overview>
-
-<p>
-This metric measures the number of lines in a file that are contained within a block that is duplicated elsewhere. These lines may include code, comments and whitespace, and the duplicate block may be in this file or in another file.
-</p>
-
-<p>
-A file that contains many lines that are duplicated within the code base is problematic
-for a number of reasons.
-</p>
-
-</overview>
-<include src="DuplicationProblems.inc.qhelp" />
-
-<recommendation>
-
-<p>
-Refactor files with lots of duplicated code to extract the common code into
-a shared library or module.
-</p>
-
-</recommendation>
-<references> 
-
-
-<li>Wikipedia: <a href="http://en.wikipedia.org/wiki/Duplicate_code">Duplicate code</a>.</li>
-<li>M. Fowler, <em>Refactoring</em>. Addison-Wesley, 1999.</li>
-
-
-</references>
-</qhelp>

cpp/ql/src/change-notes/2022-03-08-code-duplication-queries.md

@@ -1,4 +1,4 @@
 ---
 category: breaking
 ---
-* The deprecated queries `cpp/duplicate-block`, `cpp/duplicate-function`, `cpp/duplicate-class`, `cpp/duplicate-file`, `cpp/mostly-duplicate-function`, and `cpp/similar-file` have been removed.
+* The deprecated queries `cpp/duplicate-block`, `cpp/duplicate-function`, `cpp/duplicate-class`, `cpp/duplicate-file`, `cpp/mostly-duplicate-function`,`cpp/similar-file`, `cpp/duplicated-lines-in-files` have been removed.