Removed braces from the lexer and parser.

Lexer.mll

@@ -459,8 +459,7 @@ let byte_seq   = byte | byte (byte | '_')* byte
 let bytes      = "0x" (byte_seq? as seq)
 let esc        = "\\n" | "\\\"" | "\\\\" | "\\b"
                | "\\r" | "\\t" | "\\x" byte
-let symbol     = ';' | ','
-               | '(' | ')' | '{' | '}' | '[' | ']'
+let symbol     = ';' | ',' | '(' | ')'| '[' | ']'
                | '#' | '|' | "->" | ":=" | '=' | ':'
                | '<' | "<=" | '>' | ">=" | "=/="
                | '+' | '-' | '*' | '.' | '_' | '^'

ParToken.mly

@@ -17,8 +17,6 @@
 %token <Region.t> COMMA       (* ","   *)
 %token <Region.t> LPAR        (* "("   *)
 %token <Region.t> RPAR        (* ")"   *)
-%token <Region.t> LBRACE      (* "{"   *)
-%token <Region.t> RBRACE      (* "}"   *)
 %token <Region.t> LBRACKET    (* "["   *)
 %token <Region.t> RBRACKET    (* "]"   *)
 %token <Region.t> CONS        (* "#"   *)

Parser.mly

@@ -61,16 +61,6 @@ par(X):
     in {region; value}
   }
 
-braces(X):
-  LBRACE X RBRACE {
-    let region = cover $1 $3
-    and value = {
-      lbrace = $1;
-      inside = $2;
-      rbrace = $3}
-    in {region; value}
-  }
-
 brackets(X):
   LBRACKET X RBRACKET {
     let region = cover $1 $3

Tests/crowdfunding.ligo

@@ -56,7 +56,7 @@ entrypoint claim (storage store : store; const sender : address)
           else
             begin
               operations := [Transfer (sender, amount)];
-              remove sender from map store.backers;
+              remove sender from map store.backers
             end
       end
   end with (store, operations)