change git aliases from master to main

ssh/.ssh/config

@@ -50,12 +50,6 @@ Host github.com
   IdentityFile ~/.ssh/id_ed25519
   IdentitiesOnly yes
 
-Host kali
-  HostName 50.116.62.61
-  User root
-  IdentityFile ~/.ssh/id_rsa
-  IdentitiesOnly yes
-
 Host hashbang
   HostName de1.hashbang.sh
   User jakej
@@ -64,8 +58,3 @@ Host hashbang
 
 Host *.ssh.wpengine.net
   IdentityFile ~/.ssh/wpe_devkit
-
-Host 192.168.67.141
-  HostName 192.168.67.141
-  User root
-