firmware-whitelist: Drop e100 from whitelist

We disabled the e100 driver in the kernel configuration back in
op-build v1.22 with 3d17c64a1522 ("linux: config: Remove Intel E1000e
and E100"). Remove the firmware from the whitelist as there's no chance
anyone is using it.

Signed-off-by: Joel Stanley <joel@jms.id.au>
diff --git a/openpower/scripts/firmware-whitelist b/openpower/scripts/firmware-whitelist
index cd217b9..6d1b835 100755
--- a/openpower/scripts/firmware-whitelist
+++ b/openpower/scripts/firmware-whitelist
@@ -10,7 +10,6 @@
                 'cxgb4/t4fw-1.16.63.0.bin'
                 'cxgb4/t4fw.bin'
                 'cxgb3/'
-                'e100/'
                 'ql2500_fw.bin')
 
 if [ -z "${TARGET_DIR}" ] ; then