build: Remove AC_PROG_CXX check
diff --git a/configure.ac b/configure.ac
index 78ed439..ee53e7e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -23,7 +23,6 @@
 AC_LANG_C
 
 AC_PROG_CC
-AC_PROG_CXX
 AC_PROG_CC_PIE
 AC_PROG_INSTALL