Remove shrink_to_fit from default ToString::to_string implementation.
Remove shrink_to_fit from default ToString::to_string implementation.

Co-authored-by: scottmcm <816f89ba4136f442ffe42098ab4f151fede9b1fc@users.noreply.github.com>

aidancully/rust,graydon/rust,aidancully/rust,aidancully/rust,graydon/rust,aidancully/rust,graydon/rust,aidancully/rust,graydon/rust,graydon/rust,aidancully/rust,graydon/rust