Bug 574529 - [win32] Cleanup Windows launcher native build script
- Drop outdated x86 and ia64 support from windows launcher build process

Change-Id: If4ffdeac65b5ac44da07da4fb0c78d317972568c
Signed-off-by: Niraj Modi <niraj.modi@in.ibm.com>
Reviewed-on: https://git.eclipse.org/r/c/equinox/rt.equinox.framework/+/182656
Tested-by: Equinox Bot <equinox-bot@eclipse.org>
Reviewed-by: Sravan Kumar Lakkimsetti <sravankumarl@in.ibm.com>
diff --git a/features/org.eclipse.equinox.executable.feature/library/win32/build.bat b/features/org.eclipse.equinox.executable.feature/library/win32/build.bat
index c12a9db..d691895 100644
--- a/features/org.eclipse.equinox.executable.feature/library/win32/build.bat
+++ b/features/org.eclipse.equinox.executable.feature/library/win32/build.bat
@@ -46,25 +46,8 @@
 @rem Specify VisualStudio Version: '2017' or newer '2019'
 IF "x.%MSVC_VERSION%"=="x." set "MSVC_VERSION=2019"
 
-IF x.%1==x.x86 GOTO X86
-IF x.%1==x.ia64 GOTO IA64
 GOTO X86_64
 
-:X86
-IF x.%DEV_TOOLS%==x. set DEV_TOOLS=%LAUNCHER_BUILDDIR%
-IF x.%JAVA_HOME%==x. set JAVA_HOME=%LAUNCHER_BUILDDIR%\ibm-java2-sdk-50-win-i386
-set javaHome=%JAVA_HOME%
-if not x.%MSVC_HOME% == x. goto MAKE
-set MSVC_HOME="%LAUNCHER_BUILDDIR%\MSVCs\msvc60\VC98"
-call %MSVC_HOME%\bin\vcvars32.bat
-if not "%MSSDK%" == "" goto MAKE
-set MSSDK="%LAUNCHER_BUILDDIR%\MSSDKs\feb2003"
-call %MSSDK%\setenv.bat
-IF x.%1==x.x86 shift
-set defaultOSArch=x86
-set makefile=make_win32.mak
-GOTO MAKE
-
 :X86_64
 shift
 set defaultOSArch=x86_64
@@ -89,17 +72,6 @@
 call "%MSVC_HOME%\VC\Auxiliary\Build\vcvarsall.bat" x64
 GOTO MAKE
 
-:IA64
-shift
-set defaultOSArch=ia64
-set PROCESSOR_ARCHITECTURE=AMD64
-IF x.%JAVA_HOME%==x. set JAVA_HOME=%LAUNCHER_BUILDDIR%\ibm-sdk142-ia64
-IF "x.%MSSDK%" == "x."   set MSSDK="%LAUNCHER_BUILDDIR%\MSSDKs\Windows Server 2003 SP1 SDK"
-set javaHome=%JAVA_HOME%
-set makefile=make_win64_ia64.mak
-call %MSSDK%\setenv /SRV64 /RETAIL
-GOTO MAKE
-
 :MAKE 
 rem --------------------------
 rem Define default values for environment variables used in the makefiles.