remove dead chaincode seminar link, format learning section as bullet list

Author: autoblitzbot

README.md

@@ -305,6 +305,6 @@ Spark is a minimalistic wallet GUI for c-lightning, accessible over the web or t
 
 ## Learning
 
-[https://github.com/lnbook/lnbook](https://github.com/lnbook/lnbook)  
-[https://chaincode.applytojob.com/apply/LpQl1a0cvd/Chaincode-Labs-Online-Seminars](https://chaincode.applytojob.com/apply/LpQl1a0cvd/Chaincode-Labs-Online-Seminars) [https://github.com/chaincodelabs/lightning-curriculum](https://github.com/chaincodelabs/lightning-curriculum)
+* [https://github.com/lnbook/lnbook](https://github.com/lnbook/lnbook)
+* [https://github.com/chaincodelabs/lightning-curriculum](https://github.com/chaincodelabs/lightning-curriculum)
 

docs/es/index.md

@@ -300,8 +300,5 @@ Spark es una billetera minimalista para c-lightning. Es accesible a través de l
 
 ## Aprende
 
-* [https://github.com/lnbook/lnbook](https://github.com/lnbook/lnbook)  
-* [https://chaincode.applytojob.com/apply/LpQl1a0cvd/Chaincode-Labs-Online-Seminars](https://chaincode.applytojob.com/apply/LpQl1a0cvd/Chaincode-Labs-Online-Seminars) [https://github.com/chaincodelabs/lightning-curriculum](https://github.com/chaincodelabs/lightning-curriculum)
-* [https://github.com/lnbook/lnbook](https://github.com/lnbook/lnbook)  
-* [https://chaincode.applytojob.com/apply/LpQl1a0cvd/Chaincode-Labs-Online-Seminars](https://chaincode.applytojob.com/apply/LpQl1a0cvd/Chaincode-Labs-Online-Seminars)
+* [https://github.com/lnbook/lnbook](https://github.com/lnbook/lnbook)
 * [https://github.com/chaincodelabs/lightning-curriculum](https://github.com/chaincodelabs/lightning-curriculum)

docs/hu/index.md

@@ -305,5 +305,5 @@ A Spark egy minimalista tárca-felület a Core Lightning (CLN)-hoz, elérhető w
 
 ## Tanulás
 
-[https://github.com/lnbook/lnbook](https://github.com/lnbook/lnbook)
-[https://chaincode.applytojob.com/apply/LpQl1a0cvd/Chaincode-Labs-Online-Seminars](https://chaincode.applytojob.com/apply/LpQl1a0cvd/Chaincode-Labs-Online-Seminars) [https://github.com/chaincodelabs/lightning-curriculum](https://github.com/chaincodelabs/lightning-curriculum)
+* [https://github.com/lnbook/lnbook](https://github.com/lnbook/lnbook)
+* [https://github.com/chaincodelabs/lightning-curriculum](https://github.com/chaincodelabs/lightning-curriculum)

docs/index.md

@@ -305,6 +305,6 @@ Spark is a minimalistic wallet GUI for c-lightning, accessible over the web or t
 
 ## Learning
 
-[https://github.com/lnbook/lnbook](https://github.com/lnbook/lnbook)  
-[https://chaincode.applytojob.com/apply/LpQl1a0cvd/Chaincode-Labs-Online-Seminars](https://chaincode.applytojob.com/apply/LpQl1a0cvd/Chaincode-Labs-Online-Seminars) [https://github.com/chaincodelabs/lightning-curriculum](https://github.com/chaincodelabs/lightning-curriculum)
+* [https://github.com/lnbook/lnbook](https://github.com/lnbook/lnbook)
+* [https://github.com/chaincodelabs/lightning-curriculum](https://github.com/chaincodelabs/lightning-curriculum)