Merge pull request #111 from oceanprotocol/issue-110-legacy-env-vars

Remove legacy env vars like AQUARIUS and PROVIDER urls

Author: bogdanfazakas

README.md

@@ -57,24 +57,12 @@ export MNEMONIC="XXXX"
 export RPC='XXXX'
 ```
 
-- Set an Ocean Node URL
+- Mandatory, Set an Ocean Node URL. Ocean Nodes infrastructure is responsible for handling assets indexing and metadata caching. It replaced old Provider and Aquarius standalone apps.
 
 ```
 export NODE_URL='XXXX'
 ```
 
-- Optional, set metadataCache URL if you want to use a custom Aquarius version instead of the default one. This will not be used if you have set an Ocean Node url.
-
-```
-export AQUARIUS_URL='XXXX'
-```
-
-- Optional, set Provider URL if you want to use a custom Provider version instead of the default one. This will not be used if you have set an Ocean Node url.
-
-```
-export PROVIDER_URL='XXXX'
-```
-
 - Optional, set ADDRESS_FILE if you want to use a custom set of smart contract address
 
 ```