[rustfmt] Enable reorder_impl_items

Also drop config items whose value is now default to rustfmt.

Author: behnam

.rustfmt.toml

@@ -1,6 +1,3 @@
-brace_style = "SameLineWhere"
-imports_indent = "Block"
 imports_layout = "HorizontalVertical"
-indent_style = "Block"
 max_width = 100
-reorder_imports = true
+reorder_impl_items = true

gen/src/source/ucd/test/grapheme_break_test.rs

@@ -45,6 +45,7 @@ pub struct GraphemeBreakTest {
 
 impl FromStr for GraphemeBreakTests {
     type Err = ();
+
     fn from_str(string: &str) -> Result<GraphemeBreakTests, ()> {
         lazy_static! {
             static ref LINE_RE: Regex = Regex::new(

gen/src/source/ucd/test/normalization_test.rs

@@ -34,6 +34,7 @@ pub struct NormalizationTest {
 
 impl FromStr for NormalizationTests {
     type Err = ();
+
     fn from_str(str: &str) -> Result<NormalizationTests, ()> {
         lazy_static! {
             static ref REGEX: Regex = Regex::new(

gen/src/source/ucd/test/word_break_test.rs

@@ -45,6 +45,7 @@ pub struct WordBreakTest {
 
 impl FromStr for WordBreakTests {
     type Err = ();
+
     fn from_str(string: &str) -> Result<WordBreakTests, ()> {
         lazy_static! {
             static ref LINE_RE: Regex = Regex::new(

unic/char/range/src/range.rs

@@ -216,8 +216,8 @@ impl CharRange {
 }
 
 impl IntoIterator for CharRange {
-    type Item = char;
     type IntoIter = CharIter;
+    type Item = char;
 
     fn into_iter(self) -> CharIter {
         self.iter()

unic/ucd/normal/src/canonical_combining_class.rs

@@ -57,6 +57,7 @@ mod data {
         include!("../tables/canonical_combining_class_values.rsv");
 }
 
+#[cfg_attr(rustfmt, rustfmt_skip)]  // We want the consts ordered by value.
 #[allow(non_upper_case_globals)]
 impl CanonicalCombiningClass {
     /// Find the character `Canonical_Combining_Class` property value.