Remove an unused variable in FormatValue<double>

Test Plan: Built a program that uses it

Reviewed By: tudorb@fb.com

FB internal diff: D753460

diff --git a/folly/Format-inl.h b/folly/Format-inl.h
index 831d3c82149a5420f9c073ff3bc0583bfc3d62e2..c8c90418693ec75b2254042bb51bdc0591eb6d1c 100644 (file)
--- a/folly/Format-inl.h
+++ b/folly/Format-inl.h
@@ -562,8 +562,6 @@ class FormatValue<double> {
       arg.precision = 6;
     }
 
-    bool done = false;
-
     // 2+: for null terminator and optional sign shenanigans.
     char buf[2 + std::max({
         (2 + DoubleToStringConverter::kMaxFixedDigitsBeforePoint +