meta-phosphor: drop obmc-phosphor-license.bbclass

Drop obmc-phosphor-license.bbclass as it is no longer used.

Change-Id: I7a7f76b79f49cc1357052e3789b76a6cd3b440bd
Signed-off-by: Patrick Venture <venture@google.com>
diff --git a/classes/obmc-phosphor-license.bbclass b/classes/obmc-phosphor-license.bbclass
deleted file mode 100644
index 9694f7f..0000000
--- a/classes/obmc-phosphor-license.bbclass
+++ /dev/null
@@ -1,4 +0,0 @@
-# Common code for packages distributed without a license that want Apache-2.0.
-
-LICENSE = "Apache-2.0"
-LIC_FILES_CHKSUM = "file://${PHOSPHORBASE}/COPYING.apache-2.0;md5=34400b68072d710fecd0a2940a0d1658"