Change Docs to not Registered

docs/src/index.md

@@ -3,19 +3,4 @@ GitHub Repo: [https://github.com/eohne/PerformanceAnalytics.jl](https://github.c
 
 
 
-The package is registered in the [`General`](https://github.com/JuliaRegistries/General) registry
-
-You can install the YFinance package by entering the package manager and typing:
-```julia
-] add PerformanceAnalytics 
-```
-You could also install the package by first calling `using Pkg`:
-```julia
-using Pkg
-Pkg.add("PerformanceAnalytics") 
-```
-
-To load the package simply type the following:
-```julia
-using PerformanceAnalytics
-```
+The package is NOT registerd in the [`General`](https://github.com/JuliaRegistries/General) registry