refactor: Simplify vimrc

.config/vim/vimrc

@@ -26,24 +26,18 @@
 " Automatically source config for the correct OS
 " NOTE: By default the directory of Windows config will be located on
 " "C:\_config\vim"
+
 if has('win64') || has('win32') || has('win16')
-	" Windows
-	so C:\_config\vim\vim_win
-	" Universal
-	so C:\_config\vim\vim_uni
-
-	" ----- PlugIns
-	if !exists('g:vscode')
-		source C:\_config\vim\vim_plug
-	endif
+	let $ZVIM_CONFIG_DIR = "C:/_config/vim"
+	let $ZVIM_OS_TYPE = "win"
 else
-	" *nix (Linux/Mac)
-	so ~/.config/vim/vim_nix
-	" Universal
-	so ~/.config/vim/vim_uni
-
-	" ----- PlugIns
-	if !exists('g:vscode')
-		source ~/.config/vim/vim_plug
-	endif
+	let $ZVIM_CONFIG_DIR = "~/.config/vim"
+	let $ZVIM_OS_TYPE = "nix"
+endif
+
+so $ZVIM_CONFIG_DIR/vim_$ZVIM_OS_TYPE
+so $ZVIM_CONFIG_DIR/vim_uni
+
+if !exists('g:vscode')
+	source $ZVIM_CONFIG_DIR/vim_plug
 endif