Simplify man page installation

Install it directly from %%{SOURCE1} rather than copying and then installing

python-hatchling.spec

@@ -36,7 +36,6 @@ Summary:        %{summary}
 
 %prep
 %autosetup -n hatchling-%{version} -p1
-cp -p '%{SOURCE1}' .
 
 
 %generate_buildrequires
@@ -61,7 +60,7 @@ EOF
 %install
 %pyproject_install
 %pyproject_save_files hatchling
-install -t '%{buildroot}/%{_mandir}/man1' -D -p -m 0644 hatchling.1
+install -t '%{buildroot}/%{_mandir}/man1' -D -p -m 0644 '%{SOURCE1}'
 
 
 %check