protobuf-c: remove myself as maintainer

Signed-off-by: Rosen Penev <rosenp@gmail.com>

libs/protobuf-c/Makefile

@@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=libprotobuf-c
 PKG_VERSION:=1.3.3
-PKG_RELEASE:=1
+PKG_RELEASE:=2
 
 PKG_SOURCE:=protobuf-c-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=https://github.com/protobuf-c/protobuf-c/releases/download/v$(PKG_VERSION)
@@ -17,7 +17,7 @@ PKG_HASH:=22956606ef50c60de1fabc13a78fbc50830a0447d780467d3c519f84ad527e78
 PKG_BUILD_DIR:=$(BUILD_DIR)/protobuf-c-$(PKG_VERSION)
 HOST_BUILD_DIR:=$(BUILD_DIR_HOST)/protobuf-c-$(PKG_VERSION)
 
-PKG_MAINTAINER:=Rosen Penev <rosenp@gmail.com>
+PKG_MAINTAINER:=
 PKG_LICENSE:=BSD-2-Clause
 PKG_LICENSE_FILES:=LICENSE