We no longer need the patch for python headers

Makefile

 all:
 	tar xf boost_1_73_0.tar.bz2
-	patch -Np1 -d boost_1_73_0 < boost_1_73_0-python_m.patch
 	cd boost_1_73_0 && ./bootstrap.sh --prefix=/usr --with-python=python3
 	cd boost_1_73_0 && ./b2 stage threading=multi link=shared
 	cd boost_1_73_0/tools/build/test && python3 test_all.py

boost_1_73_0-python_m.patch

-diff -uNr boost_1_73_0/tools/build/src/tools/python.jam boost_1_73_0-python_m/tools/build/src/tools/python.jam
---- boost_1_73_0/tools/build/src/tools/python.jam	2020-04-22 23:06:26.000000000 +0930
-+++ boost_1_73_0-python_m/tools/build/src/tools/python.jam	2020-07-02 10:10:11.854840084 +0930
-@@ -544,7 +544,7 @@
-     }
-     else
-     {
--        includes ?= $(prefix)/include/python$(version) ;
-+        includes ?= $(prefix)/include/python$(version)m ;
- 
-         local lib = $(exec-prefix)/lib ;
-         libraries ?= $(lib)/python$(version)/config $(lib) ;