eclipse clean mode

eclipse.ini

-clean <<<----- THIS IS IT
-startup
 plugins/org.eclipse.equinox.launcher_1.5.400.v20190515-0925.jar
--launcher.library
 plugins/org.eclipse.equinox.launcher.win32.win32.x86_64_1.1.1000.v20190125-2016
-product
 org.eclipse.epp.package.jee.product
-showsplash
...
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