Remove ctags support from vim

Although ctags were a nice addition to vim visually, I hardly made use
of them, if ever. This commit removes ctags since the amount of effort
required to maintain such a feature outweighs any gained benefits.

ctags/.ctags

@@ -1,25 +0,0 @@
---langdef=Elixir
---langmap=Elixir:.ex.exs
---regex-Elixir=/^[ \t]*def(p?)[ \t]+([a-z_][a-zA-Z0-9_?!]*)/\2/f,functions,functions (def ...)/
---regex-Elixir=/^[ \t]*defcallback[ \t]+([a-z_][a-zA-Z0-9_?!]*)/\1/c,callbacks,callbacks (defcallback ...)/
---regex-Elixir=/^[ \t]*defdelegate[ \t]+([a-z_][a-zA-Z0-9_?!]*)/\1/d,delegates,delegates (defdelegate ...)/
---regex-Elixir=/^[ \t]*defexception[ \t]+([A-Z][a-zA-Z0-9_]*\.)*([A-Z][a-zA-Z0-9_?!]*)/\2/e,exceptions,exceptions (defexception ...)/
---regex-Elixir=/^[ \t]*defimpl[ \t]+([A-Z][a-zA-Z0-9_]*\.)*([A-Z][a-zA-Z0-9_?!]*)/\2/i,implementations,implementations (defimpl ...)/
---regex-Elixir=/^[ \t]*defmacro(p?)[ \t]+([a-z_][a-zA-Z0-9_?!]*)\(/\2/a,macros,macros (defmacro ...)/
---regex-Elixir=/^[ \t]*defmacro(p?)[ \t]+([a-zA-Z0-9_?!]+)?[ \t]+([^ \tA-Za-z0-9_]+)[ \t]*[a-zA-Z0-9_!?!]/\3/o,operators,operators (e.g. "defmacro a <<< b")/
---regex-Elixir=/^[ \t]*defmodule[ \t]+([A-Z][a-zA-Z0-9_]*\.)*([A-Z][a-zA-Z0-9_?!]*)/\2/m,modules,modules (defmodule ...)/
---regex-Elixir=/^[ \t]*defprotocol[ \t]+([A-Z][a-zA-Z0-9_]*\.)*([A-Z][a-zA-Z0-9_?!]*)/\2/p,protocols,protocols (defprotocol...)/
---regex-Elixir=/^[ \t]*Record\.defrecord[ \t]+:([a-zA-Z0-9_]+)/\1/r,records,records (defrecord...)/
---regex-Elixir=/^[ \t]*test[ \t]+\"([a-z_][a-zA-Z0-9_?! ]*)\"*/\1/t,tests,tests (test ...)/
-
---langdef=Rust
---langmap=Rust:.rs
---regex-Rust=/^[ \t]*(#\[[^\]]\][ \t]*)*(pub[ \t]+)?(extern[ \t]+)?("[^"]+"[ \t]+)?(unsafe[ \t]+)?fn[ \t]+([a-zA-Z0-9_]+)/\6/f,functions,function definitions/
---regex-Rust=/^[ \t]*(pub[ \t]+)?type[ \t]+([a-zA-Z0-9_]+)/\2/T,types,type definitions/
---regex-Rust=/^[ \t]*(pub[ \t]+)?enum[ \t]+([a-zA-Z0-9_]+)/\2/g,enum,enumeration names/
---regex-Rust=/^[ \t]*(pub[ \t]+)?struct[ \t]+([a-zA-Z0-9_]+)/\2/s,structure names/
---regex-Rust=/^[ \t]*(pub[ \t]+)?mod[ \t]+([a-zA-Z0-9_]+)/\2/m,modules,module names/
---regex-Rust=/^[ \t]*(pub[ \t]+)?(static|const)[ \t]+(mut[ \t]+)?([a-zA-Z0-9_]+)/\4/c,consts,static constants/
---regex-Rust=/^[ \t]*(pub[ \t]+)?(unsafe[ \t]+)?trait[ \t]+([a-zA-Z0-9_]+)/\3/t,traits,traits/
---regex-Rust=/^[ \t]*(pub[ \t]+)?(unsafe[ \t]+)?impl([ \t\n]*<[^>]*>)?[ \t]+(([a-zA-Z0-9_:]+)[ \t]*(<[^>]*>)?[ \t]+(for)[ \t]+)?([a-zA-Z0-9_]+)/\5 \7 \8/i,impls,trait implementations/
---regex-Rust=/^[ \t]*macro_rules![ \t]+([a-zA-Z0-9_]+)/\1/d,macros,macro definitions/

vim/.vim/ctags.vim

@@ -1,55 +0,0 @@
-" Add elixir support to ctags
-let g:tagbar_type_elixir = {
-    \ 'ctagstype' : 'elixir',
-    \ 'kinds' : [
-        \ 'f:functions',
-        \ 'functions:functions',
-        \ 'c:callbacks',
-        \ 'd:delegates',
-        \ 'e:exceptions',
-        \ 'i:implementations',
-        \ 'a:macros',
-        \ 'o:operators',
-        \ 'm:modules',
-        \ 'p:protocols',
-        \ 'r:records',
-        \ 't:tests'
-    \ ]
-\ }
-
-" Add rust support to ctags
-let g:tagbar_type_rust = {
-    \ 'ctagstype' : 'rust',
-    \ 'kinds' : [
-        \'T:types,type definitions',
-        \'f:functions,function definitions',
-        \'g:enum,enumeration names',
-        \'s:structure names',
-        \'m:modules,module names',
-        \'c:consts,static constants',
-        \'t:traits',
-        \'i:impls,trait implementations',
-    \]
-\}
-
-" Add crystal support to ctags
-let g:tagbar_type_crystal = {
-    \'ctagstype': 'crystal',
-    \'ctagsbin': 'crystalctags',
-    \'kinds': [
-        \'c:classes',
-        \'m:modules',
-        \'d:defs',
-        \'x:macros',
-        \'l:libs',
-        \'s:sruct or unions',
-        \'f:fun'
-    \],
-    \'sro': '.',
-    \'kind2scope': {
-        \'c': 'namespace',
-        \'m': 'namespace',
-        \'l': 'namespace',
-        \'s': 'namespace'
-    \},
-\}

vim/.vim/keybindings.vim

@@ -16,7 +16,7 @@ nnoremap <silent> <leader>p <C-u>
 " ================== Middle row
 "nnoremap <silent> <leader>a :NERDTreeToggle<CR>
 nnoremap <silent> <leader>a :Files<CR>
-nnoremap <silent> <leader>d :TagbarToggle<CR>
+"nnoremap <silent> <leader>d :TagbarToggle<CR>
 nnoremap <silent> <leader>f :Files<CR>
 nnoremap <silent> <leader>g :set hlsearch!<CR>
 " Easily jump between lines in all open files

vim/.vim/plugins.vim

@@ -20,9 +20,6 @@ call plug#begin('~/.vim/plugged')       " Use vim-plug as our package manager of
     Plug 'rhysd/vim-crystal'            " Add support for the crystal language
     Plug 'scrooloose/nerdtree'          " Add a file browser to vim
 
-    Plug 'majutsushi/tagbar'            " Add tagbar to show functions on the side
-    Plug 'lvht/tagbar-markdown'         " Add support for markdown to tagbar
-
     Plug 'rust-lang/rust.vim'           " Add rust support to vim
 
     Plug 'jamessan/vim-gnupg'           " Easily use GPG encryption inside of vim

vim/.vimrc

@@ -8,7 +8,6 @@ endif
 source ~/.vim/plugins.vim
 source ~/.vim/config.vim
 source ~/.vim/colors.vim
-source ~/.vim/ctags.vim
 source ~/.vim/keybindings.vim
 
 " =================================== Plugin-Specific ===================================