Revert "Added System.IO.Compression implementation."

This is currently breaking the build for Mono Droid.

This reverts commit b175675.

mcs/class/System.IO.Compression/Makefile

@@ -3,7 +3,8 @@ SUBDIRS =
 include ../../build/rules.make
 
 LIBRARY = System.IO.Compression.dll
-LIB_MCS_FLAGS = /r:System /r:System.Core /nowarn:219
-TEST_MCS_FLAGS = /r:System /r:System.Core
+LIB_MCS_FLAGS = /r:System
+
+NO_TEST = yes
 
 include ../../build/library.make

mcs/class/System.IO.Compression/System.IO.Compression.dll.sources

@@ -1,51 +1,7 @@
-
 AssemblyInfo.cs
 TypeForwarders.cs
 ZipArchive.cs
 ZipArchiveEntry.cs
 ZipArchiveMode.cs
 ../../build/common/Consts.cs
-../../build/common/MonoTODOAttribute.cs
-Ionic/Common/CRC32.cs
-Ionic/Common/Iso8859Dash1Encoding.cs
-Ionic/Zip/EncryptionAlgorithm.cs
-Ionic/Zip/Events.cs
-Ionic/Zip/Exceptions.cs
-Ionic/Zip/ExtractExistingFileAction.cs
-Ionic/Zip/FileSelector.cs
-Ionic/Zip/OffsetStream.cs
-Ionic/Zip/Shared.cs
-Ionic/Zip/ZipConstants.cs
-Ionic/Zip/ZipCrypto.cs
-Ionic/Zip/ZipDirEntry.cs
-Ionic/Zip/ZipEntry.cs
-Ionic/Zip/ZipEntry.Extract.cs
-Ionic/Zip/ZipEntry.Read.cs
-Ionic/Zip/ZipEntry.Write.cs
-Ionic/Zip/ZipEntrySource.cs
-Ionic/Zip/ZipErrorAction.cs
-Ionic/Zip/ZipFile.AddUpdate.cs
-Ionic/Zip/ZipFile.Check.cs
-Ionic/Zip/ZipFile.cs
-Ionic/Zip/ZipFile.Events.cs
-Ionic/Zip/ZipFile.Extract.cs
-Ionic/Zip/ZipFile.Read.cs
-Ionic/Zip/ZipFile.Save.cs
-Ionic/Zip/ZipFile.SaveSelfExtractor.cs
-Ionic/Zip/ZipFile.Selector.cs
-Ionic/Zip/ZipFile.x-IEnumerable.cs
-Ionic/Zip/ZipInputStream.cs
-Ionic/Zip/ZipOutputStream.cs
-Ionic/Zip/ZipSegmentedStream.cs
-Ionic/Zlib/Deflate.cs
-Ionic/Zlib/DeflateStream.cs
-Ionic/Zlib/GZipStream.cs
-Ionic/Zlib/Inflate.cs
-Ionic/Zlib/InfTree.cs
-Ionic/Zlib/ParallelDeflateOutputStream.cs
-Ionic/Zlib/Tree.cs
-Ionic/Zlib/Zlib.cs
-Ionic/Zlib/ZlibBaseStream.cs
-Ionic/Zlib/ZlibCodec.cs
-Ionic/Zlib/ZlibConstants.cs
-Ionic/Zlib/ZlibStream.cs
+../../build/common/MonoTODOAttribute.cs