chore: Remove ruby-version from 0.69 (#36433)

Co-authored-by: Riccardo Cipolleschi <cipolleschi@fb.com>

scripts/update-ruby.sh

@@ -32,26 +32,6 @@ fi
 if [ -z "$VERSION" ]; then
     die "Please provide an installed/usable Ruby version"
 fi
-echo "Setting Ruby version to: $VERSION"
-
-cd "$ROOT" || die "Failed to change to $ROOT"
-
-# do this first, so rbenv/rvm will automatically pick the desired version
-echo "$VERSION" > .ruby-version
-
-# make sure we're using it
-CURRENT_VERSION=$(ruby --version | cut -d' ' -f2 | cut -dp -f1)
-if [ -z "$CURRENT_VERSION" ]; then
-    # rbenv/rvm uses shims, the commands do exist, but do not return a version if misconfigured
-    die "Missing usable ruby, check your installation"
-elif [ "$VERSION" != "$CURRENT_VERSION" ]; then
-    die "Plese use the ruby version you are trying to set: $VERSION ('$CURRENT_VERSION' in use)"
-fi
-
-echo "$VERSION" > template/_ruby-version
-
-sed_i -e "s/^\(ruby '\)[^']*\('.*\)$/\1$VERSION\2/" Gemfile
-sed_i -e "s/^\(ruby '\)[^']*\('.*\)$/\1$VERSION\2/" template/Gemfile
 
 rm -f Gemfile.lock
 
@@ -60,9 +40,4 @@ cp "$BUNDLE_APP_CONFIG/"* template/_bundle # sync!
 
 bundle lock
 
-git add \
-    .ruby-version \
-    Gemfile \
-    Gemfile.lock \
-    template/_ruby-version \
-    template/Gemfile
+git add Gemfile.lock