Replace caret html entities with properly escaped carets.

[minor]

voussoir.net/writing/cyborgs_on_hn/cyborgs_on_hn.md

@@ -3,11 +3,11 @@ Cyborgs on HN
 
 This page collects comments which make unnecessary or tenuous analogies to computers, programming, dollar-sign $variables, sed's/replace/syntax/g, mathematics, AI/machine learning, and cryptography in discussions that aren't about those things.
 
-> "Log in to see 8 answers on Qu^H^HStack Overflow!"
+> "Log in to see 8 answers on Qu\^H\^HStack Overflow!"
 
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-> my bank has a section in their marketing email preferences where you need to check the box IF you don't want to receive any marketing^Hspam email.
+> my bank has a section in their marketing email preferences where you need to check the box IF you don't want to receive any marketing\^Hspam email.
 
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@@ -41,7 +41,7 @@ This page collects comments which make unnecessary or tenuous analogies to compu
 
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-> Seems like the point? Add a bit of bias laund^H^H^H^H^H^H^H^H^H^Hmachine learning and you're good to go!
+> Seems like the point? Add a bit of bias laund\^H\^H\^H\^H\^H\^H\^H\^H\^H\^Hmachine learning and you're good to go!
 
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@@ -141,7 +141,7 @@ This page collects comments which make unnecessary or tenuous analogies to compu
 
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-> I learned somewhere that certain people that pass a certain "threshold" are not only fooled^H^H^H^H^H^Hconvinced by Nigerian prince scams, but utterly convinced that they are true.
+> I learned somewhere that certain people that pass a certain "threshold" are not only fooled\^H\^H\^H\^H\^H\^Hconvinced by Nigerian prince scams, but utterly convinced that they are true.
 
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@@ -185,7 +185,7 @@ This page collects comments which make unnecessary or tenuous analogies to compu
 
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-> AT&T's home gateways have a maximum NAT translation table of 1024^H^H^H^H8192 connections.
+> AT&T's home gateways have a maximum NAT translation table of 1024\^H\^H\^H\^H8192 connections.
 
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