Remove old and unused warnings when building apache

The configure script already warns users at the beginning with
unrecognized options warning so additional check is not required. These
sapis were also removed from the PHP core.

Author: petk

configure.ac

@@ -143,23 +143,6 @@ else
   rm -f php_version.h.new
 fi
 
-
-dnl Catch common errors here to save a few seconds of our users' time
-dnl -------------------------------------------------------------------------
-
-if test "$with_shared_apache" != "no" && test -n "$with_shared_apache" ; then
-  AC_MSG_ERROR([--with-shared-apache is not supported. Please refer to the documentation for using APXS])
-fi
-
-if test -n "$with_apache" && test -n "$with_apxs"; then
-  AC_MSG_ERROR([--with-apache and --with-apxs cannot be used together])
-fi
-
-if test -n "$with_apxs2filter" && test -n "$with_apxs2"; then
-  AC_MSG_ERROR([--with-apxs2filter and --with-apxs2 cannot be used together])
-fi
-
-  
 dnl Settings we want to make before the checks.
 dnl -------------------------------------------------------------------------