Revert "Move wiki pages to github pages (#18497)"

This reverts commit 40eb803de1.

docs/_doc/Sending-ether.md

@@ -1,33 +0,0 @@
----
-title: Sending ether
----
-
-The basic way of sending a simple transaction of ether with the console is as follows:
-```js
-> eth.sendTransaction({from:sender, to:receiver, value: amount})
-```
-
-Using the built-in JavaScript, you can easily set variables to hold these values. For example:
-
-```js
-> var sender = eth.accounts[0];
-> var receiver = eth.accounts[1];
-> var amount = web3.toWei(0.01, "ether")
-```
-
-Alternatively, you can compose a transaction in a single line with:
-
-```js
-> eth.sendTransaction({from:eth.coinbase, to:eth.accounts[1], value: web3.toWei(0.05, "ether")})
-Please unlock account d1ade25ccd3d550a7eb532ac759cac7be09c2719.
-Passphrase: 
-Account is now unlocked for this session.
-'0xeeb66b211e7d9be55232ed70c2ebb1bcc5d5fd9ed01d876fac5cff45b5bf8bf4'
-```
-
-The resulting transaction is `0xeeb66b211e7d9be55232ed70c2ebb1bcc5d5fd9ed01d876fac5cff45b5bf8bf4`
-
-If the password was incorrect you will instead receive an error:
-```js
-error: could not unlock sender account
-```