checklist 15: lead with removing redundant second clause

prompts/LLM_PROSE_TELLS.md

@@ -377,10 +377,11 @@ passes, because fixing one pattern often introduces another.
     the same thing twice from two directions, delete the contrast.
 
 15. Check for the two-clause compound sentence pattern. If most sentences in a
-    passage follow the "\[clause\], \[conjunction\] \[clause\]" structure,
-    rewrite some of them. Break a few into two sentences. Start some with a
-    subordinate clause. Embed a relative clause in the middle of one instead of
-    appending it at the end.
+    passage follow the "\[clause\], \[conjunction\] \[clause\]" structure, first
+    try removing the conjunction and second clause entirely, since it's often
+    redundant or unnecessary. If the second clause does carry meaning, break it
+    into its own sentence, start the sentence with a subordinate clause, or
+    embed a relative clause in the middle instead of appending it at the end.
 
 16. Find every rhetorical question that is immediately followed by its own
     answer and rewrite the passage as a direct statement.