Remove patching, update requirements for build

We don't need to still be patching Python 3.10 builds. This removes
patching and updates requirements versions.
This also removes all references to "noncritical" in the Makefile. The
concept of criticality has been removed from the Robot framework.

Signed-off-by: Eric Ball <eball@linuxfoundation.org>
Change-Id: Idcbfc079e15cf3901a30958989e11fc97981f740
diff --git a/makefiles/virtualenv.mk b/makefiles/virtualenv.mk
index 8beef54..6b781e3 100644
--- a/makefiles/virtualenv.mk
+++ b/makefiles/virtualenv.mk
@@ -43,6 +43,7 @@
 ##    o place on the right side of colon as a target dependency
 ##    o When the script does not exist install the virtual env and display.
 ## ----------------------------------------------------------------------
+venv-activate-script: $(venv-activate-script)
 $(venv-activate-script):
 	@echo
 	@echo "============================="
@@ -61,18 +62,6 @@
 ## Intent: Explicit named installer target w/o dependencies.
 ##         Makefile targets should depend on venv-activate-script.
 ## -----------------------------------------------------------------------
-venv-activate-patched := $(venv-activate-script).patched
-venv-activate-patched : $(venv-activate-patched)
-$(venv-activate-patched) : $(venv-activate-script)
-	$(call banner-enter,Target $@)
-	$(onf-mk-top)/../patches/python_310_migration.sh --venv "$(venv-name)" 'apply'
-	touch $@
-	$(call banner-leave,Target $@)
-
-## -----------------------------------------------------------------------
-## Intent: Explicit named installer target w/o dependencies.
-##         Makefile targets should depend on venv-activate-script.
-## -----------------------------------------------------------------------
 venv: $(venv-activate-script)
 
 ## -----------------------------------------------------------------------