Ubuntu 18.04 is now EOL, so removing from README

README.md

@@ -55,7 +55,7 @@ rustup -V
 sudo apt-get -y install build-essential qtbase5-dev qt5-qmake qtcreator qttools5-dev-tools
 ```
 
-##### Ubuntu 18.04 and 20.04:
+##### Ubuntu 20.04:
 ```shell script
 sudo apt-get -y install build-essential qt5-default qt5-qmake qtcreator qttools5-dev-tools
 ```
@@ -72,7 +72,7 @@ cd SilentDragonLite
 
 ### Other notes
 
-#### Install Torsocks (or any other Socks service for TOR) on Ubuntu 18.04
+#### Install Torsocks (or any other Socks service for TOR) on Ubuntu
 ```shell script
 sudo apt update
 sudo apt install torsocks