modify readme instal

.Rproj.user/shared/notebooks/paths

 /home/marie/Documents/HB_CC011/F2/Geno/Maestro/F2_geno_estmap1.R="42B0AE06"
 /home/marie/Documents/stuart/stuart_package/stuart/R/mark_estmap.R="F759F000"
+/home/marie/Documents/stuart/stuart_package/stuart/README.Rmd="4E06E7DC"
 /home/marie/Documents/stuart/stuart_package/stuart/vignettes/stuart.Rmd="01396A37"

README.md

@@ -16,12 +16,8 @@ parental strains alleles, etc.
 
 ## Installation
 
-You can install the released version of stuart from GitLab, by
-dowloading the latest tar.gz file and installing it with:
-
-`install.packages(path_to/stuart_X.Y.Z.tar.gz, repos = NULL, type="source")`
-
-Or directly in R with:
+You can install the released version of stuart from GitLab, directly in
+R with:
 
 `devtools::install_gitlab(repo="mouselab/stuart",host="gitlab.pasteur.fr")`