Update 'README.md'

README.md

@@ -1,16 +1,8 @@
 # vps-benchmark
 
-### debian
+### 
 ```
-bash <(wget -O - https://git.virtubox.net/virtubox/vps-benchmark/raw/master/debian.sh)
+bash <(wget -O - https://git.virtubox.net/virtubox/vps-benchmark/raw/master/vpsbench.sh)
 ```
 
-### centos 6
-```
-bash <(wget -O - https://git.virtubox.net/virtubox/vps-benchmark/raw/master/centos6.sh)
-```
-
-### centos 7
-```
-bash <(wget -O - https://git.virtubox.net/virtubox/vps-benchmark/raw/master/centos7.sh)
 ```