Merge pull request #14808 from jketema/jketema/del-fmt-global

C++: Delete `cpp/tainted-format-string-through-global`

Author: MathiasVP

cpp/ql/src/Security/CWE/CWE-134/UncontrolledFormatStringThroughGlobalVar.c

@@ -0,0 +1,4 @@
+---
+category: breaking
+---
+* The `cpp/tainted-format-string-through-global` query has been deleted. This does not lead to a loss of relevant alerts, as the query duplicated a subset of the alerts from `cpp/tainted-format-string`.