Documentation: Further cleanup

site/user/quick/desktop.md

Index: site/user/quick/desktop.md
diff --git a/site/user/quick/desktop.md b/site/user/quick/desktop.md
index 704a41c43ce1189fc5787f5791bb526a867bdc75..88e31d72ad2edaa74adc00c45606b92f6e832e84 100644
--- a/site/user/quick/desktop.md
+++ b/site/user/quick/desktop.md
@@ -30,50 +30,9 @@ Instructions to get started with Skia on desktop systems (Linux, Mac OS X, or Wi
 Gyp Options
 -----------
 
-When running `sync-and-gyp`, the `GYP_DEFINES` environment variable can
-be used to change Skia’s compile-time settings, using a
-space-separated list of key=value pairs. For example, to disable both
-the Skia GPU backend and PDF backends, run it as follows:
-
-<!--?prettify lang=sh?-->
-
-    GYP_DEFINES='skia_gpu=0 skia_pdf=0' python bin/sync-and-gyp
-    ninja -C out/Debug
-
-Note: Setting enviroment variables in the Windows CMD.EXE shell [uses a
-different syntax](./windows#env).
-
-You can also set environment variables such as `CC`, `CXX`,
-`CFLAGS`, or `CPPFLAGS` to control how Skia is compiled. For
-example:
-
-<!--?prettify lang=sh?-->
-
-    CC='clang' CXX='clang++' python bin/sync-and-gyp
-    ninja -C out/Debug
-
-The `GYP_GENERATORS` environment variable can be used to set the
-build systems that you want to use (as a comma-separated list).
-The default is `'ninja,msvs-ninja'` on Windows, `'ninja,xcode'` on
-Mac OS X, and just `'ninja'` on Linux.  For example, to generate
-only Ninja files on Mac:
-
-<!--?prettify lang=sh?-->
-
-    GYP_GENERATORS='ninja' python bin/sync-and-gyp
-    ninja -C out/Debug
-
-Finally, the `SKIA_OUT` environment variable can be used to set
-the path for the build directory.  The default is `out` inside the
-top-level Skia source directory.  For example to test Skia with
-two different compilers:
-
-<!--?prettify lang=sh?-->
-
-    CC='clang' CXX='clang++' SKIA_OUT=~/build/skia_clang python bin/sync-and-gyp
-    CC='gcc'   CXX='g++'     SKIA_OUT=~/build/skia_gcc   python bin/sync-and-gyp
-    ninja -C ~/build/skia_clang/Debug
-    ninja -C ~/build/skia_gcc/Debug
+Skia relies on Gyp to generate build files.  Read about
+[specifying options for Gyp](/user/tips#gypdefines) to set the
+compile-time settings, compiler, build systems, and build directory.
 
 Run unit and correctness tests
 ------------------------------