Update rustfmt.toml

Co-authored-by: Daniel McNab <36049421+DJMcNab@users.noreply.github.com>

rustfmt.toml

diff --git a/rustfmt.toml b/rustfmt.toml
index ce1f14b..dcd7c77 100644
--- a/rustfmt.toml
+++ b/rustfmt.toml
@@ -1,4 +1,3 @@
-max_width = 100
 use_field_init_shorthand = true
 newline_style = "Unix"
 # TODO: imports_granularity = "Module" - Wait for this to be stable.