package: remove duplicate lines from otrx and nvram makefiles

Signed-off-by: Jo-Philipp Wich <[email protected]>

package/utils/nvram/Makefile

@@ -11,7 +11,6 @@ PKG_NAME:=nvram
 PKG_RELEASE:=9
 
 PKG_BUILD_DIR := $(BUILD_DIR)/$(PKG_NAME)
-PKG_FLAGS:=nonshared
 
 PKG_FLAGS:=nonshared
 

package/utils/otrx/Makefile

@@ -9,7 +9,6 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=otrx
 PKG_RELEASE:=1
-PKG_FLAGS:=nonshared
 
 PKG_FLAGS:=nonshared