Drop use of __* macros that were removed in rpm-4.15

OpenIPMI.spec

@@ -89,11 +89,11 @@ export EDIT_CFLAGS=`pkg-config --cflags libedit`
 export EDIT_LIBS=`pkg-config --libs libedit`
 
 # generate new configure script we need this since we removed the libedit directory
-%{__libtoolize} --copy --force --automake
-%{__aclocal}
-%{__autoheader}
-%{__automake} --add-missing --copy --foreign --force-missing
-%{__autoconf}
+libtoolize --copy --force --automake
+aclocal
+autoheader
+automake --add-missing --copy --foreign --force-missing
+autoconf
 # libedit end
 
 %configure \