Removed a pointless option from curl

Author: jclc

README.md

@@ -28,7 +28,7 @@ TMC-CLI is the command-line client for University of Helsinki's TestMyCode -fram
 `cd` into the directory where you wish to install TMC-CLI. Then, copy and paste the following command in your terminal:
 
 ```
-curl -L0 https://raw.githubusercontent.com/tmc-cli/tmc-cli/master/scripts/install.sh | bash; source ~/.bashrc
+curl -0 https://raw.githubusercontent.com/tmc-cli/tmc-cli/master/scripts/install.sh | bash; source ~/.bashrc
 ```
 
 TMC-CLI should now be installed. You can try running it with `tmc`.