remove shell node

Author: ichiriac

docs/AST.md

@@ -2,32 +2,6 @@
 
 ## AST
 
-The AST builder class
-
-**Parameters**
-
--   `withPositions`  
--   `withSource`  
-
-**Properties**
-
--   `withPositions` **[Boolean](#boolean)** Should locate any node (by default false)
--   `withSource` **[Boolean](#boolean)** Should extract the node original code (by default false)
-
-### prepare
-
-Prepares an AST node
-
-**Parameters**
-
--   `kind` **([String](#string) | null)** Defines the node type
-    (if null, the kind must be passed at the function call)
--   `parser` **Parser** The parser instance (use for extracting locations)
-
-Returns **[Function](#function)** 
-
-## AST
-
 ## Class hierarchy
 
 -   [Location](#location)
@@ -66,7 +40,6 @@ Returns **[Function](#function)**
             -   [Number](#number)
             -   [Inline](#inline)
             -   [Magic](#magic)
-            -   [Shell](#shell)
             -   [Nowdoc](#nowdoc)
             -   [Encapsed](#encapsed)
     -   [Statement](#statement)
@@ -136,6 +109,32 @@ Prepares an AST node
 
 Returns **[Function](#function)** 
 
+## AST
+
+The AST builder class
+
+**Parameters**
+
+-   `withPositions`  
+-   `withSource`  
+
+**Properties**
+
+-   `withPositions` **[Boolean](#boolean)** Should locate any node (by default false)
+-   `withSource` **[Boolean](#boolean)** Should extract the node original code (by default false)
+
+### prepare
+
+Prepares an AST node
+
+**Parameters**
+
+-   `kind` **([String](#string) | null)** Defines the node type
+    (if null, the kind must be passed at the function call)
+-   `parser` **Parser** The parser instance (use for extracting locations)
+
+Returns **[Function](#function)** 
+
 ## Array
 
 **Extends Expression**
@@ -959,12 +958,6 @@ A continue statement
 
 -   `expr` **([Expression](#expression) | null)** 
 
-## Shell
-
-**Extends Literal**
-
-Defines inline html output (treated as echo output)
-
 ## Silent
 
 **Extends Statement**