meta-phosphor: phosphor-ipmi-flash: remove unused function2 dependency

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: I4f114c87a9b7a438b7d91a7d73c80e061fc93071
diff --git a/meta-phosphor/recipes-phosphor/ipmi/phosphor-ipmi-flash_git.bb b/meta-phosphor/recipes-phosphor/ipmi/phosphor-ipmi-flash_git.bb
index 234181a..451acdb 100644
--- a/meta-phosphor/recipes-phosphor/ipmi/phosphor-ipmi-flash_git.bb
+++ b/meta-phosphor/recipes-phosphor/ipmi/phosphor-ipmi-flash_git.bb
@@ -9,7 +9,6 @@
   sdbusplus \
   systemd \
   ipmi-blob-tool \
-  function2 \
 "
 SRCREV = "8c31624dfc9599a3df663394a2faeedba3f0e397"
 PACKAGECONFIG ?= "cleanup-delete"