vim-patch:7.4.1486

Problem:    ":loadplugin" is not optimal, some people find it confusing.
Solution:   Only use ":packadd" with an optional "!".

f365482736

src/nvim/ex_cmds.lua

@@ -1452,12 +1452,6 @@ return {
     addr_type=ADDR_LINES,
     func='ex_loadkeymap',
   },
-  {
-    command='loadplugin',
-    flags=bit.bor(BANG, FILE1, TRLBAR, SBOXOK, CMDWIN),
-    addr_type=ADDR_LINES,
-    func='ex_loadplugin',
-  },
   {
     command='lockmarks',
     flags=bit.bor(NEEDARG, EXTRA, NOTRLCOM),