remove Windows build scripts

MSVC produces horribly slow code when paired with Eigen

build.bat

@@ -1,35 +0,0 @@
-@ECHO OFF
-call "C:\Program Files (x86)\Microsoft Visual Studio 12.0\Common7\Tools\VsDevCmd.bat"
-cd bin
-
-set vst=../../../src/vstsdk2.4/
-set vst2x=%vst%public.sdk/source/vst2.x/
-set vstdef=%vst%public.sdk/samples/vst2.x/win/vstplug.def
-set vst_c=/I"%vst%"
-set vst_ld=/DEF:"%vstdef%"
-set vstsrc=%vst2x%audioeffect.cpp %vst2x%audioeffectx.cpp %vst2x%vstplugmain.cpp
-
-set wall=/Wall /wd4100 /wd4668 /wd4820 /wd4514 /wd4365 /wd4711 /wd4996 /wd4127
-REM the warning disabled below is function-not-inlined
-set common_c=/LD /I"../" /I"../include/" %wall% /wd4710
-set release_c=%common_c% /O2 /Oy- /GL /EHsc /fp:fast /analyze- /nologo /DNDEBUG
-set release_ld=
-
-call:compile delay_test
-call:compile eq
-call:compile eq_const
-call:compile eq_const_T420
-call:compile eq_const_T420_svf
-call:compile level
-call:compile mugi4
-call:compile noise
-call:compile tube
-goto:eof
-
-:compile
-set crap=%~1
-cscript ..\util\generate.vbs %crap% vst
-cscript ..\util\generate.vbs %crap% ladspa
-cl %release_c% %vst_c% ../crap/vst/%crap%.cpp %vstsrc% /link %release_ld% %vst_ld% /OUT:"vst/crap_%crap%.dll"
-cl %release_c% ../crap/ladspa/%crap%.cpp /link %release_ld% /OUT:"ladspa/crap_%crap%.dll"
-goto:eof

util/generate.vbs

@@ -1,19 +0,0 @@
-Set FSO = CreateObject("Scripting.FileSystemObject")
-
-Name = WScript.Arguments(0)
-Kind = WScript.Arguments(1)
-
-IPath = "../template/"&Kind&".cpp"
-OPath = "../crap/"&Kind&"/"&Name&".cpp"
-Inc = "crap/"&Name&".hpp"
-
-Set File = FSO.OpenTextFile(IPath)
-Text = File.ReadAll
-File.Close
-
-Text = Replace(Text, "//#INCLUDE", "#include """&Inc&"""")
-Text = Replace(Text, "//#REDEFINE", "#define CrapPlug Crap_"&Name)
-
-Set File = FSO.CreateTextFile(OPath, True)
-File.Write Text
-File.Close