Delete tar file after unpack

[caporalesimone]

After unpacking TShock-Beta-linux-x64-Release.tar I think you could add a rm to delete it and save some space.

root@07cb10383901:/tshock# ls -la
total 57472
drwxr-xr-x  1 root root     4096 Nov 11 22:06 .
drwxr-xr-x  1 root root     4096 Nov 11 22:06 ..
-rw-r--r--  1 1001  121   890597 Nov 10 22:15 GeoIP.dat
-rw-r--r--  1 root root      625 Nov 11 22:06 ServerLog.txt
drwxr-xr-x  2 1001  121     4096 Nov 10 23:36 ServerPlugins
-rw-r--r--  1 root root 45670400 Nov 10 22:16 TShock-Beta-linux-x64-Release.tar
-rwxr-xr-x  1 1001  121 12250596 Nov 10 22:16 TShock.Server
drwxr-xr-x  2 1001  121     4096 Nov 10 23:36 bin
-rwxr-xr-x  1 root root     1531 Nov 10 23:36 bootstrap.sh
drwxr-xr-x 18 1001  121     4096 Nov 10 23:36 i18n
drwxr-xr-x  2 root root     4096 Nov 11 22:06 logs