Revert "meta-bletchley: phosphor-network: temporary revert SRCREV"

This reverts commit 7503b441052575d49568f80c236a228edc8d2aae.

There is a proposed fix now in phosphor-networkd as change
Icf18e3d80f6d1f8c4567603fe51d774e9090334c.  Remove the
bletchley-specific SRCREV in prep for the merge of this commit.

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: Ida0b77f5bf0cc6a94e2341888b545a4226e59bf8
diff --git a/meta-facebook/meta-bletchley/recipes-phosphor/network/phosphor-network_%.bbappend b/meta-facebook/meta-bletchley/recipes-phosphor/network/phosphor-network_%.bbappend
index 9b96b1d..5950888 100644
--- a/meta-facebook/meta-bletchley/recipes-phosphor/network/phosphor-network_%.bbappend
+++ b/meta-facebook/meta-bletchley/recipes-phosphor/network/phosphor-network_%.bbappend
@@ -1,7 +1,5 @@
 FILESEXTRAPATHS:prepend := "${THISDIR}/${PN}:"
 
-SRCREV = "ef2b28ee4699abaa2770bb333cd889b7f71e2e45"
-
 PACKAGECONFIG:append = " sync-mac"
 
 EXTRA_OEMESON = "-Dforce-sync-mac=true"