Apply suggestions from code review

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
Signed-off-by: Nathan Randall <70299490+data-douser@users.noreply.github.com>

Author: data-douser

server/ql/cpp/tools/src/CallGraphFrom/CallGraphFrom.md

@@ -33,10 +33,7 @@ void sourceFunc() {  // Source function for analysis
 
 Running with `sourceFunction = "sourceFunc"` produces:
 
-| Call site   | Message                                 |
-| ----------- | --------------------------------------- |
-| `helper1()` | Call from \`sourceFunc\` to \`helper1\` |
-| `helper2()` | Call from \`sourceFunc\` to \`helper2\` |
+
 
 ## Output Format