Trac #32656: remove the psutil package.

With all consumers of the psutil package gone, we delete the SPKG
itself, and remove all traces of it from the build system.

Pipfile.m4

@@ -24,7 +24,6 @@ numpy = "==esyscmd(`printf $(sed "s/[.]p.*//;" ../numpy/package-version.txt)')"
 cysignals = "==esyscmd(`printf $(sed "s/[.]p.*//;" ../cysignals/package-version.txt)')"
 cypari2 = "==esyscmd(`printf $(sed "s/[.]p.*//;" ../cypari/package-version.txt)')"
 gmpy2 = "==esyscmd(`printf $(sed "s/[.]p.*//;" ../gmpy2/package-version.txt)')"
-psutil = "==esyscmd(`printf $(sed "s/[.]p.*//;" ../psutil/package-version.txt)')"
 pexpect = "==esyscmd(`printf $(sed "s/[.]p.*//;" ../pexpect/package-version.txt)')"
 ipython = "==esyscmd(`printf $(sed "s/[.]p.*//;" ../ipython/package-version.txt)')"
 sympy = "==esyscmd(`printf $(sed "s/[.]p.*//;" ../sympy/package-version.txt)')"

build/make/Makefile.in

@@ -288,8 +288,7 @@ python3-SAGE_VENV-no-deps: setuptools-clean
 
 # Everything needed to start up Sage using "./sage".  Of course, not
 # every part of Sage will work.  It does not include Maxima for example.
-SAGERUNTIME = sagelib $(inst_ipython) $(inst_pexpect) \
-		$(inst_psutil)
+SAGERUNTIME = sagelib $(inst_ipython) $(inst_pexpect)
 
 all-sageruntime: toolchain-deps
 	+$(MAKE_REC) $(SAGERUNTIME)