Make tabstop=2 default behvaviour

Reduce extra ft files by making tabstop=2 the default behaviour
and overwriting as needed, instead of multiple files just setting
tabstop for a specific filetype and nothing else

after/ftplugin/markdown.vim

@@ -1,2 +0,0 @@
-setlocal shiftwidth=2
-setlocal softtabstop=2

after/ftplugin/sh.vim

@@ -1,2 +0,0 @@
-setlocal shiftwidth=2
-setlocal softtabstop=2

after/ftplugin/vim.vim

@@ -1,2 +0,0 @@
-setlocal shiftwidth=2
-setlocal softtabstop=2

vimrc

@@ -28,6 +28,8 @@ set wrap
 set linebreak
 set autoread
 set colorcolumn=+1
+set shiftwidth=2
+set softtabstop=2
 
 au BufRead,BufNewFile *.ipynb setlocal filetype=json
 au BufRead,BufNewFile *.md setlocal spell