babel: Remove functions which are just indirection around org-babel-script-escape
* lisp/ob-groovy.el (org-babel-groovy-table-or-string): Remove.
(org-babel-groovy-evaluate): Call `org-babel-script-escape' instead.
* lisp/ob-haskell.el (org-babel-haskell-table-or-string): Remove.
(org-babel-execute:haskell): Call `org-babel-script-escape' instead.
* lisp/ob-io.el (org-babel-io-table-or-string): Remove.
(org-babel-io-evaluate):Call `org-babel-script-escape' instead.
* lisp/ob-scala.el (org-babel-scala-table-or-string): Remove.
(org-babel-scala-evaluate): Call `org-babel-script-escape' instead.