C++: Move 'InlineMadTest.qll' out of 'lib/utils/test' and into 'test' since C++ has no external packs depending on MaD testing.

cpp/ql/lib/utils/test/InlineMadTest.qll

@@ -1,34 +0,0 @@
-private import cpp
-private import codeql.mad.test.InlineMadTest
-
-class MadRelevantFunction extends Function {
-  MadRelevantFunction() { not this.isFromUninstantiatedTemplate(_) }
-}
-
-private module InlineMadTestLang implements InlineMadTestLangSig {
-  class Callable = MadRelevantFunction;
-
-  /**
-   * Holds if `c` is the closest `Callable` that succeeds `comment` in the file.
-   */
-  private predicate hasClosestCallable(CppStyleComment comment, Callable c) {
-    c =
-      min(Callable cand, int dist |
-        // This has no good join order, but should hopefully be good enough for tests.
-        cand.getFile() = comment.getFile() and
-        dist = cand.getLocation().getStartLine() - comment.getLocation().getStartLine() and
-        dist > 0
-      |
-        cand order by dist
-      )
-  }
-
-  string getComment(Callable c) {
-    exists(CppStyleComment comment |
-      hasClosestCallable(comment, c) and
-      result = comment.getContents().suffix(2)
-    )
-  }
-}
-
-import InlineMadTestImpl<InlineMadTestLang>