GH-1459: additional steps towards renaming everything to just Spring Tools

eclipse-distribution/org.springframework.boot.ide.branding/about.properties

@@ -4,7 +4,7 @@
 # fill-ins are supplied by about.mappings
 # This file should be translated.
 
-title=Spring Tool Suite 4\n\
+title=Spring Tools for Eclipse\n\
 \n\
 Version: @QUALIFIER@\n\
 Build Id: @BUILD_ID@\n\