avy.el (avy--line-cands): Don't set temporary-goal-column

This was introduced when fixing `avy-goto-line' for the combination of
`org-indent-mode' and `visual-line-mode'. Tested that removing it does
not cause a regression.

Re #110
Fixes #302

avy.el

@@ -1612,9 +1612,7 @@ When BOTTOM-UP is non-nil, display avy candidates from top to bottom"
                            (when avy-indent-line-overlay
                              (skip-chars-forward " \t"))
                            (point)))
-                       (selected-window)) candidates))
-              (if visual-line-mode
-                  (progn
+                       (selected-window)) candidates))
               (if visual-line-mode
                   (line-move-visual 1 t)
                 (forward-line 1)))))))