Makefile fix: don't execute precheck during installation

Due to mypy modifications, we can't build the sm RPM in Koji
without a recent pylint version. So the precheck target is only
executed in a github workflow now.

Signed-off-by: Ronan Abhamon <ronan.abhamon@vates.fr>

Makefile

@@ -127,7 +127,7 @@ precheck: build
 	echo "Precheck succeeded with no outstanding issues found."
 
 .PHONY: install
-install: precheck
+install: build
 	mkdir -p $(SM_STAGING)
 	$(call mkdir_clean,$(SM_STAGING))
 	mkdir -p $(SM_STAGING)$(SM_DEST)