build: No need to provide defaults for darwin-specific tools

Author: hebasto

depends/builders/default.mk

@@ -5,8 +5,6 @@ default_build_TAR = tar
 default_build_RANLIB = ranlib
 default_build_STRIP = strip
 default_build_NM = nm
-default_build_OTOOL = otool
-default_build_INSTALL_NAME_TOOL = install_name_tool
 
 define add_build_tool_func
 build_$(build_os)_$1 ?= $$(default_build_$1)

depends/hosts/default.mk

@@ -8,8 +8,6 @@ default_host_AR = $(host_toolchain)ar
 default_host_RANLIB = $(host_toolchain)ranlib
 default_host_STRIP = $(host_toolchain)strip
 default_host_LIBTOOL = $(host_toolchain)libtool
-default_host_INSTALL_NAME_TOOL = $(host_toolchain)install_name_tool
-default_host_OTOOL = $(host_toolchain)otool
 default_host_NM = $(host_toolchain)nm
 
 define add_host_tool_func