Merge pull request #8824 from EOSIO/docs/fix-readme-md

remove leading $ chars from shell codeblocks in README.md

README.md

@@ -62,41 +62,41 @@ Prebuilt EOSIO software packages are available for the operating systems below.
 
 #### Mac OS X Brew Install
 ```sh
-$ brew tap eosio/eosio
-$ brew install eosio
+brew tap eosio/eosio
+brew install eosio
 ```
 #### Mac OS X Brew Uninstall
 ```sh
-$ brew remove eosio
+brew remove eosio
 ```
 
 ### Ubuntu Linux:
 
 #### Ubuntu 18.04 Package Install
 ```sh
-$ wget https://github.com/eosio/eos/releases/download/v2.0.0/eosio_2.0.0-1-ubuntu-18.04_amd64.deb
-$ sudo apt install ./eosio_2.0.0-1-ubuntu-18.04_amd64.deb
+wget https://github.com/eosio/eos/releases/download/v2.0.0/eosio_2.0.0-1-ubuntu-18.04_amd64.deb
+sudo apt install ./eosio_2.0.0-1-ubuntu-18.04_amd64.deb
 ```
 #### Ubuntu 16.04 Package Install
 ```sh
-$ wget https://github.com/eosio/eos/releases/download/v2.0.0/eosio_2.0.0-1-ubuntu-16.04_amd64.deb
-$ sudo apt install ./eosio_2.0.0-1-ubuntu-16.04_amd64.deb
+wget https://github.com/eosio/eos/releases/download/v2.0.0/eosio_2.0.0-1-ubuntu-16.04_amd64.deb
+sudo apt install ./eosio_2.0.0-1-ubuntu-16.04_amd64.deb
 ```
 #### Ubuntu Package Uninstall
 ```sh
-$ sudo apt remove eosio
+sudo apt remove eosio
 ```
 
 ### RPM-based (CentOS, Amazon Linux, etc.):
 
 #### RPM Package Install
 ```sh
-$ wget https://github.com/eosio/eos/releases/download/v2.0.0/eosio-2.0.0-1.el7.x86_64.rpm
-$ sudo yum install ./eosio-2.0.0-1.el7.x86_64.rpm
+wget https://github.com/eosio/eos/releases/download/v2.0.0/eosio-2.0.0-1.el7.x86_64.rpm
+sudo yum install ./eosio-2.0.0-1.el7.x86_64.rpm
 ```
 #### RPM Package Uninstall
 ```sh
-$ sudo yum remove eosio
+sudo yum remove eosio
 ```
 
 ## Uninstall Script