Removed duplicate fedora from plugins, dnf provides exact same features

plugins/fedora/README.md

-This is a plugin based on yum plugin, but using dnf as main frontend
-(from Fedora 22 onwards, yum is deprecated in favor of dnf).
- 

plugins/fedora/fedora.plugin.zsh

-## Aliases
-
-alias dnfs="dnf search"                       # search package
-alias dnfp="dnf info"                         # show package info
-alias dnfl="dnf list"                         # list packages
-alias dnfgl="dnf grouplist"                   # list package groups
-alias dnfli="dnf list installed"              # print all installed packages
-alias dnfmc="dnf makecache"                   # rebuilds the dnf package list
-
-alias dnfu="sudo dnf upgrade"                 # upgrade packages
-alias dnfi="sudo dnf install"                 # install package
-alias dnfgi="sudo dnf groupinstall"           # install package group
-alias dnfr="sudo dnf remove"                  # remove package
-alias dnfgr="sudo dnf groupremove"            # remove pagage group
-alias dnfrl="sudo dnf remove --remove-leaves" # remove package and leaves
-alias dnfc="sudo dnf clean all"               # clean cache

plugins/fedora/fedora.plugin.zsh

+../dnf/dnf.plugin.zsh
\ No newline at end of file