Delete osf-alpha target (and host) support, no longer working or needed at KEK.

src/makeBaseExt/top/configure/os/CONFIG_SITE.osf-alpha.osf-alpha

@@ -1,28 +0,0 @@
-#
-# $Revision-Id$
-#
-# Site Specific Configuration Information
-# Only the local epics system manager should modify this file
-
-# Where to find utilities/libraries
-#       If you do not have a certain product,
-#       leave the line empty.
-#
-
--include $(TOP)/configure/os/CONFIG_SITE.Common.Common
-
-# Where to find utilities/libraries
-X11_LIB = /usr/lib
-X11_INC = /usr/include
-MOTIF_INC = /usr/include
-MOTIF_LIB = /usr/lib
-INTERVIEWS_BIN=/usr/local/interviews/bin/O.alpha
-OPENWIN =
-WINGZ =
-MATHEMATICA =
-XRTGRAPH = /usr/local/xrtgraph
-QUESTWIN =
-IDL =
-JAVA_DIR=/usr/local/java
-JAVA_INC=$(JAVA_DIR)/include
-