Remove note on deb package

Author: jarun

README.md

@@ -33,7 +33,6 @@ Powered by multiprocessing, an intelligent adaptive algorithm, recursive operati
   - [Installing with a package manager](#installing-with-a-package-manager)
   - [Installing from this repository](#installing-from-this-repository)
     - [Running as a standalone utility](#running-as-a-standalone-utility)
-    - [Debian package](#debian-package)
 - [Shell completion](#shell-completion)
 - [Usage](#usage)
   - [cmdline options](#cmdline-options)
@@ -117,13 +116,6 @@ To remove, run:
 
     $ ./imgp
 
-##### Debian package
-
-If you are on a Debian based system (including Ubuntu), visit [the latest stable release](https://github.com/jarun/imgp/releases/latest) and download the `.deb` package. To install, run
-
-    $ sudo dpkg -i imgp-$version-all.deb
-Please substitute `$version` with the appropriate package version.
-
 ### Shell completion
 
 Shell completion scripts for Bash, Fish and Zsh can be found in respective subdirectories of [auto-completion/](https://github.com/jarun/imgp/blob/master/auto-completion). Please refer to your shell's manual for installation instructions.