Remove .rvmrc

Remove .rvmrc from source control and add it to .gitignore so it can't
be readded.

.gitignore

@@ -1,5 +1,8 @@
 # Rubymine project directory
 .idea
+# RVM control file
+.rvmrc
+# YARD cache directory
 .yardoc
 # Mac OS X files
 .DS_Store

.rvmrc

@@ -1,48 +0,0 @@
-#!/usr/bin/env bash
-
-# This is an RVM Project .rvmrc file, used to automatically load the ruby
-# development environment upon cd'ing into the directory
-
-# First we specify our desired <ruby>[@<gemset>], the @gemset name is optional,
-# Only full ruby name is supported here, for short names use:
-#     echo "rvm use 1.9.3" > .rvmrc
-environment_id="ruby-1.9.3-p194@metasploit-framework"
-
-# Uncomment the following lines if you want to verify rvm version per project
-# rvmrc_rvm_version="1.15.7 (stable)" # 1.10.1 seams as a safe start
-# eval "$(echo ${rvm_version}.${rvmrc_rvm_version} | awk -F. '{print "[[ "$1*65536+$2*256+$3" -ge "$4*65536+$5*256+$6" ]]"}' )" || {
-#   echo "This .rvmrc file requires at least RVM ${rvmrc_rvm_version}, aborting loading."
-#   return 1
-# }
-
-# First we attempt to load the desired environment directly from the environment
-# file. This is very fast and efficient compared to running through the entire
-# CLI and selector. If you want feedback on which environment was used then
-# insert the word 'use' after --create as this triggers verbose mode.
-if [[ -d "${rvm_path:-$HOME/.rvm}/environments"
-  && -s "${rvm_path:-$HOME/.rvm}/environments/$environment_id" ]]
-then
-  \. "${rvm_path:-$HOME/.rvm}/environments/$environment_id"
-  [[ -s "${rvm_path:-$HOME/.rvm}/hooks/after_use" ]] &&
-    \. "${rvm_path:-$HOME/.rvm}/hooks/after_use" || true
-else
-  # If the environment file has not yet been created, use the RVM CLI to select.
-  rvm --create  "$environment_id" || {
-    echo "Failed to create RVM environment '${environment_id}'."
-    return 1
-  }
-fi
-
-# If you use bundler, this might be useful to you:
-# if [[ -s Gemfile ]] && {
-#   ! builtin command -v bundle >/dev/null ||
-#   builtin command -v bundle | GREP_OPTIONS= \grep $rvm_path/bin/bundle >/dev/null
-# }
-# then
-#   printf "%b" "The rubygem 'bundler' is not installed. Installing it now.\n"
-#   gem install bundler
-# fi
-# if [[ -s Gemfile ]] && builtin command -v bundle >/dev/null
-# then
-#   bundle install | GREP_OPTIONS= \grep -vE '^Using|Your bundle is complete'
-# fi