Removing validation_lang.php file that was missed when removing the Validation library.
diff --git a/system/language/english/validation_lang.php b/system/language/english/validation_lang.php
deleted file mode 100644
index 345341f..0000000
--- a/system/language/english/validation_lang.php
+++ /dev/null
@@ -1,21 +0,0 @@
-<?php
-
-$lang['required'] = "The %s field is required.";
-$lang['isset'] = "The %s field must have a value.";
-$lang['valid_email'] = "The %s field must contain a valid email address.";
-$lang['valid_emails'] = "The %s field must contain all valid email addresses.";
-$lang['valid_url'] = "The %s field must contain a valid URL.";
-$lang['valid_ip'] = "The %s field must contain a valid IP.";
-$lang['min_length'] = "The %s field must be at least %s characters in length.";
-$lang['max_length'] = "The %s field can not exceed %s characters in length.";
-$lang['exact_length'] = "The %s field must be exactly %s characters in length.";
-$lang['alpha'] = "The %s field may only contain alphabetical characters.";
-$lang['alpha_numeric'] = "The %s field may only contain alpha-numeric characters.";
-$lang['alpha_dash'] = "The %s field may only contain alpha-numeric characters, underscores, and dashes.";
-$lang['numeric'] = "The %s field must contain a number.";
-$lang['integer'] = "The %s field must contain an integer.";
-$lang['matches'] = "The %s field does not match the %s field.";
-
-
-/* End of file validation_lang.php */
-/* Location: ./system/language/english/validation_lang.php */
\ No newline at end of file