Settle on lowercasing "kiss and kill"

lib/substitutions.json

@@ -4779,6 +4779,10 @@
     {
       "before": "…It’s not so important when",
       "after": "…it’s not so important when"
+    },
+    {
+      "before": "Kiss and Kill.",
+      "after": "Kiss and kill."
     }
   ],
   "https://www.parahumans.net/2018/04/17/pitch-6-2/": [
@@ -5217,6 +5221,10 @@
     {
       "before": "<em>You-</em> upstairs.",
       "after": "<em>You</em>—upstairs."
+    },
+    {
+      "before": "all the Kiss and Kill things",
+      "after": "all the kiss and kill things"
     }
   ],
   "https://www.parahumans.net/2019/02/12/heavens-12-1/": [