Revert "Attempt to fix communication error on images smoke test (#52)"

This reverts commit 7b256bf5.

src/ruby/install.sh

@@ -12,7 +12,6 @@ RUBY_VERSION=${VERSION:-"latest"}
 USERNAME=${USERNAME:-"automatic"}
 UPDATE_RC=${UPDATE_RC:-"true"}
 INSTALL_RUBY_TOOLS=${INSTALL_RUBY_TOOLS:-"true"}
-RVM_DIR="/usr/local/rvm"
 
 # Note: ruby-debug-ide will install the right version of debase if missing and
 # installing debase directly fails on Ruby 3.1.0 as of 1/7/2022, so omitting.
@@ -219,18 +218,13 @@ else
         fi
     fi
     # Create rvm group as a system group to reduce the odds of conflict with local user UIDs
-    umask 0002
     if ! cat /etc/group | grep -e "^rvm:" > /dev/null 2>&1; then
         groupadd -r rvm
     fi
     # Install rvm
-    mkdir -p "${RVM_DIR}"
-    usermod -aG rvm ${USERNAME}
-    chown -R "${USERNAME}:rvm" "${RVM_DIR}/"
-    chmod -R g+r+w "${RVM_DIR}/"
-
     curl -sSL https://get.rvm.io | bash -s stable --ignore-dotfiles ${RVM_INSTALL_ARGS} --with-default-gems="${DEFAULT_GEMS}" 2>&1
-    source ${RVM_DIR}/scripts/rvm
+    usermod -aG rvm ${USERNAME}
+    source /usr/local/rvm/scripts/rvm
     rvm fix-permissions system
     rm -rf ${GNUPGHOME}
 fi
@@ -281,7 +275,7 @@ if [ "${SKIP_RBENV_RBUILD}" != "true" ]; then
             ln -s /usr/local/share/ruby-build /home/${USERNAME}/.rbenv/plugins/ruby-build
         fi
 
-        ln -s ${RVM_DIR}/rubies/default/bin/ruby ${RVM_DIR}/gems/default/bin 
+        ln -s /usr/local/rvm/rubies/default/bin/ruby /usr/local/rvm/gems/default/bin 
         
         chown -R "${USERNAME}:rvm" "/home/${USERNAME}/.rbenv/"
         chmod -R g+r+w "/home/${USERNAME}/.rbenv"
@@ -289,7 +283,9 @@ if [ "${SKIP_RBENV_RBUILD}" != "true" ]; then
     fi
 fi
 
-find "${RVM_DIR}" -type d | xargs -n 1 chmod g+s
+chown -R "${USERNAME}:rvm" "/usr/local/rvm/"
+chmod -R g+r+w "/usr/local/rvm/"
+find "/usr/local/rvm/" -type d | xargs -n 1 chmod g+s
 
 # Clean up
 rvm cleanup all