Remove : from isk for vimscript

Apparently this breaks stuff

https://github.com/tpope/vim-scriptease/blob/43c53e9992f9eed12af6345fb18e874e8a6c4a85/plugin/scriptease.vim#L746-L749
$MYVIMRC rarely worked because of symlinks
This didn't actually do anything

From :h statusline:

Note that the only effect of 'ruler' when this option is set
(and 'laststatus' is 2) is controlling the output of |CTRL-G|.
Messing with statusline ruler symbols
Remove autoresizing when vim resizes

Since my horizontal splits are no longer automatically managed since
https://github.com/Keithbsmiley/dotfiles/commit/0bc68acef79ca146829a80f3354f92f77f674378
This is more of a nuisance since my splits can be intentionally resized