gdb: remove Build/Compile rule ; default one works

Signed-off-by: Alexandru Ardelean <ardeleanalex@gmail.com>

package/devel/gdb/Makefile

@@ -60,13 +60,6 @@ CONFIGURE_ARGS+= \
 CONFIGURE_VARS+= \
 	ac_cv_search_tgetent="$(TARGET_LDFLAGS) -lncurses -lreadline"
 
-define Build/Compile
-	+$(MAKE) $(PKG_JOBS) -C $(PKG_BUILD_DIR) \
-		DESTDIR="$(PKG_INSTALL_DIR)" \
-		CPPFLAGS="$(TARGET_CPPFLAGS)" \
-		all
-endef
-
 define Build/Install
 	$(MAKE) -C $(PKG_BUILD_DIR) \
 		DESTDIR="$(PKG_INSTALL_DIR)" \