Update README_mac.txt for MacVim

READMEdir/README_mac.txt

@@ -1,38 +1,13 @@
 README_mac.txt for version 8.0 of Vim: Vi IMproved.
 
-This file explains the installation of MacVim.
-See "README.txt" for general information about Vim.
-See "src/MacVim/README" for an overview of the MacVim specific source code.
-
-MacVim uses the usual configure/make steps to build the binary but instead of
-"make install" you just drag the app bundle into the directory you wish to
-install in (usually `/Applications').
-
-
-How to build and install
+How to install MacVim?
 ========================
 
-Run `./configure` in the `src/` directory with the flags you want (call
-`./configure --help` to see a list of flags) e.g.:
-
-    $ cd src
-    $ ./configure --with-features=huge \
-                  --enable-rubyinterp \
-                  --enable-pythoninterp \
-                  --enable-perlinterp \
-                  --enable-cscope
+Download MacVim.dmg from latest binary release page https://github.com/macvim-dev/macvim/releases/latest , open the dmg file, and copy MacVim.app to /Applications.
 
-Now build the project using `make`:
 
-    $ make
-
-The resulting app bundle will reside under `MacVim/build/Release`.  To try it
-out quickly, type:
-
-    $ open MacVim/build/Release/MacVim.app
-
-To install MacVim, type
+Questions?
+========================
 
-    $ open MacVim/build/Release
+Please take a look at the home page http://macvim-dev.github.io/macvim/
 
-and drag the MacVim icon into your `Applications` folder.