Remove non-existent functions from form_helper docs.

Author: lonnieezell

user_guide_src/source/helpers/form_helper.rst

@@ -674,47 +674,3 @@ The following functions are available:
 		functions to work. This is because if a Form Validation object is
 		defined, the control for ``set_*()`` is handed over to a method of the
 		class instead of the generic helper function.
-
-.. php:function:: form_error([$field = ''[, $prefix = ''[, $suffix = '']]])
-
-	:param	string	$field:	Field name
-	:param	string	$prefix: Error opening tag
-    	:param	string	$suffix: Error closing tag
-    	:returns:	HTML-formatted form validation error message(s)
-    	:rtype:	string
-
-    	Returns a validation error message from the :doc:`Form Validation Library
-    	<../libraries/validation>`, associated with the specified field name.
-    	You can optionally specify opening and closing tag(s) to put around the error
-    	message.
-
-    	Example::
-
-		// Assuming that the 'username' field value was incorrect:
-		echo form_error('myfield', '<div class="error">', '</div>');
-
-		// Would produce: <div class="error">Error message associated with the "username" field.</div>
-
-.. php:function:: validation_errors([$prefix = ''[, $suffix = '']])
-
-	:param	string	$prefix: Error opening tag
-    	:param	string	$suffix: Error closing tag
-    	:returns:	HTML-formatted form validation error message(s)
-    	:rtype:	string
-
-    	Similarly to the :php:func:`form_error()` function, returns all validation
-	error messages produced by the :doc:`Form Validation Library
-    	<../libraries/validation>`, with optional opening and closing tags
-    	around each of the messages.
-
-    	Example::
-
-		echo validation_errors('<span class="error">', '</span>');
-
-		/*
-			Would produce, e.g.:
-
-			<span class="error">The "email" field doesn't contain a valid e-mail address!</span>
-			<span class="error">The "password" field doesn't match the "repeat_password" field!</span>
-
-		 */