Remove duplicate pattern in Rust query

CHANGELOG.rst

@@ -20,6 +20,7 @@ Fixed
 - Common Lisp query: duplicate extmarks on some delimiters
 - Luadoc query: Remove broken pattern for dictionary key type
 - Ruby query: duplicate extmarks on some delimiters
+- Rust query: duplicate pattern for `closure_parameters`
 - SQL query: Remove broken patterns
 - Zig query: duplicate extmarks on some delimiters
 - Make a better effort to make parentheses in Vim script expressions work (there

queries/rust/rainbow-delimiters.scm

@@ -94,6 +94,7 @@
 
 (closure_parameters
   "|" @delimiter
+  (_)?
   "|" @delimiter @sentinel) @container
 
 (array_expression

test/highlight/spec/rust/rainbow-delimiters/regular.rs.lua

@@ -905,12 +905,6 @@ return {
       hl_group = "RainbowDelimiterYellow",
       start_col = 38,
       start_row = 92
-    }, {
-      end_col = 39,
-      end_row = 92,
-      hl_group = "RainbowDelimiterYellow",
-      start_col = 38,
-      start_row = 92
     }, {
       end_col = 41,
       end_row = 92,
@@ -929,12 +923,6 @@ return {
       hl_group = "RainbowDelimiterBlue",
       start_col = 30,
       start_row = 93
-    }, {
-      end_col = 31,
-      end_row = 93,
-      hl_group = "RainbowDelimiterBlue",
-      start_col = 30,
-      start_row = 93
     }, {
       end_col = 33,
       end_row = 93,