org.el: Remove marvosym LaTeX dependency

* org.el (org-latex-default-packages-alist): Remove marvosym.
* org-entities.el (org-entities): \EUR is now replaced with
  \texteuro.  Remove EURdig, EURhv, EURcr, EURtm.

lisp/org-entities.el

@@ -296,11 +296,7 @@ packages to be loaded, add these packages to `org-latex-packages-alist'."
      ("pound" "\\pounds{}" nil "£" "pound" "£" "£")
      ("yen" "\\textyen{}" nil "¥" "yen" "¥" "¥")
      ("euro" "\\texteuro{}" nil "€" "EUR" "EUR" "€")
-     ("EUR" "\\EUR{}" nil "€" "EUR" "EUR" "€")
-     ("EURdig" "\\EURdig{}" nil "€" "EUR" "EUR" "€")
-     ("EURhv" "\\EURhv{}" nil "€" "EUR" "EUR" "€")
-     ("EURcr" "\\EURcr{}" nil "€" "EUR" "EUR" "€")
-     ("EURtm" "\\EURtm{}" nil "€" "EUR" "EUR" "€")
+     ("EUR" "\\texteuro{}" nil "€" "EUR" "EUR" "€")
 
      "** Property Marks"
      ("copy" "\\textcopyright{}" nil "©" "(c)" "©" "©")

lisp/org.el

@@ -4080,7 +4080,6 @@ header, or they will be appended."
     ("normalem" "ulem"  t)
     (""     "amsmath"   t)
     (""     "textcomp"  t)
-    (""     "marvosym"  t)
     (""     "wasysym"   t)
     (""     "amssymb"   t)
     (""     "capt-of"   nil)
@@ -4102,7 +4101,7 @@ Org mode to function properly:
 - rotating: for sideways figures and tables
 - ulem: for underline and strike-through
 - amsmath: for subscript and superscript and math environments
-- textcomp, marvosymb, wasysym, amssymb: for various symbols used
+- textcomp, wasysym, amssymb: for various symbols used
   for interpreting the entities in `org-entities'.  You can skip
   some of these packages if you don't use any of their symbols.
 - capt-of: for captions outside of floats