Remove colons from the normal lexer

lex.go

@@ -55,8 +55,6 @@ func (x *hclLex) Lex(yylval *hclSymType) int {
 		}
 
 		switch c {
-		case ':':
-			return COLON
 		case ',':
 			return COMMA
 		case '=':

lex_test.go

@@ -24,20 +24,6 @@ func TestLex(t *testing.T) {
 				lexEOF,
 			},
 		},
-		{
-			"assign_colon.hcl",
-			[]int{
-				IDENTIFIER, EQUAL, LEFTBRACKET, LEFTBRACE,
-				STRING, COLON, LEFTBRACE,
-				STRING, COLON, LEFTBRACE, RIGHTBRACE, COMMA,
-				STRING, COLON, LEFTBRACKET,
-				NUMBER, COMMA, NUMBER, COMMA, STRING,
-				RIGHTBRACKET, COMMA,
-				RIGHTBRACE,
-				RIGHTBRACE, RIGHTBRACKET,
-				lexEOF,
-			},
-		},
 		{
 			"list.hcl",
 			[]int{

parse.y

@@ -19,7 +19,7 @@ package hcl
 %type   <str> blockId
 
 %token  <num> NUMBER
-%token  <str> COLON COMMA IDENTIFIER EQUAL NEWLINE STRING
+%token  <str> COMMA IDENTIFIER EQUAL NEWLINE STRING
 %token  <str> LEFTBRACE RIGHTBRACE LEFTBRACKET RIGHTBRACKET
 
 %%