Removed unused or underused plugins for vim.

vim/vimrc.d/plugins.vim

@@ -28,12 +28,9 @@ Plug 'Shougo/deoplete.nvim'            , Cond(g:has_async,  { 'on': [] })
 Plug 'Shougo/neco-vim'                 , {'for' : 'vim'}
 Plug 'Shougo/neocomplete.vim'          , Cond(!g:has_async, { 'on': [] })
 Plug 'Shougo/vimproc.vim'              , {'do' : 'make'}
-Plug 'SirVer/ultisnips'                , { 'on': [] }
 Plug 'Yggdroot/indentLine'
 Plug 'airblade/vim-gitgutter'
 Plug 'bronson/vim-trailing-whitespace'
-Plug 'danchoi/ri.vim'                  , {'for' : 'ruby'}
-Plug 'fatih/vim-go'                    , {'for' : 'go'}
 Plug 'godlygeek/tabular'
 Plug 'haya14busa/incsearch.vim'
 Plug 'honza/vim-snippets'
@@ -45,24 +42,16 @@ Plug 'kien/rainbow_parentheses.vim'
 Plug 'majutsushi/tagbar'
 Plug 'osyo-manga/vim-over'
 Plug 'qpkorr/vim-bufkill'              , {'on': 'BD'}
-Plug 'racer-rust/vim-racer'            , {'for' : 'rust'}
 Plug 'rizzatti/dash.vim'
 Plug 'roxma/nvim-yarp'                 , Cond(g:has_async)
 Plug 'roxma/vim-hug-neovim-rpc'        , Cond(g:has_async)
-Plug 'rust-lang/rust.vim'              , {'for' : 'rust'}
 Plug 'scrooloose/nerdcommenter'
 Plug 'scrooloose/nerdtree'             , { 'on': 'NERDTreeToggle' }
 Plug 'scrooloose/syntastic'            , Cond(!g:has_async)
-Plug 'tpope/vim-bundler'               , {'for' : 'ruby' }
 Plug 'tpope/vim-eunuch'
 Plug 'tpope/vim-markdown'              , {'for' : 'markdown'}
-Plug 'tpope/vim-projectionist'
-Plug 'tpope/vim-rails'                 , {'for' : 'ruby' }
-Plug 'tpope/vim-rake'                  , {'for' : 'ruby'}
 Plug 'vim-airline/vim-airline'
 Plug 'vim-airline/vim-airline-themes'
-Plug 'vim-ruby/vim-ruby'               , {'for' : 'ruby' }
-Plug 'wincent/terminus'
 Plug 'w0rp/ale'                        , Cond(g:has_async)
 
 for fpath in split(globpath('~/.vim/plug.d/', '*.vim'), '\n')