Remove //net (except for Android test stuff) and sdch

sdch/README.chromium

Index: sdch/README.chromium
diff --git a/sdch/README.chromium b/sdch/README.chromium
deleted file mode 100644
index 93ae6a04b1a1ab8f507d2a5026b99a2829525762..0000000000000000000000000000000000000000
--- a/sdch/README.chromium
+++ /dev/null
@@ -1,19 +0,0 @@
-The linux directory contains a config.h generated from a run of configure on
-Ubuntu 10.04.1 LTS x86_64, with VCDIFF_USE_BLOCK_COMPARE_WORDS manually
-changed to match the $host_cpu test in configure.
-
-The mac directory contains a config.h generated from a run of configure on a
-Mac, with VCDIFF_USE_BLOCK_COMPARE_WORDS manually changed to match the
-$host_cpu test in configure.
-
-The ios directory contains a config.h generated from a run of configure
---host=arm-apple-darwin10 on a Mac with the following environment variables:
-  CC=/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/gcc-4.2 -x c -arch armv6
-  CFLAGS=-mno-thumb -miphoneos-version-min=4.2
-  CPPFLAGS=-isysroot /Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS4.3.sdk
-  CXX=/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/gcc-4.2 -x c++ -arch armv6
-  CXXFLAGS=-mno-thumb -miphoneos-version-min=4.2
-
-The win directory contains a config.h that forwards to one provided with
-open-vcdiff. We have this to avoid putting open-vcdiff's minimal stdint.h hack
-into our include path.