message: Remove unnecessary instruction
diff: # Instructions:
  # * Ensure you have the following R libraries installed via the following:
  -# `devtools::install_github("rstudio/reticulate"); install.packages(c("stringr", "roxygen2))`
  +# install.packages(c("reticulate", "stringr", "roxygen2))`
  # * Change variable `pkg_location` below to point to your R package directory
  -# * Run `use_condaenv()`, `use_python()`, or `use_virtualenv()` from reticulate to activate the
  -# environment with tensorflow-io installed.
  -# e.g. use_condaenv("tensorflow-io", conda = "~/miniconda3/envs/py36/bin/conda")
  -# Note that you should insert this line right after loading reticulate package.
  library(reticulate)
  library(stringr)
  