updating readme.md

README.md

@@ -19,13 +19,6 @@ Covariates measured at baseline and available in the dataset are age,
 sex, race, ethnicity, Karnofsky score, CD4 cell count, and history of
 injection drug use.
 
-### Installation
-
-You can install the package from Bitbucket
-
-      library("devtools")
-      devtools::install_bitbucket("novisci/actg")
-      library(actg)
 
 ### List of Variables (variable name: definition)