- remove compiler flags related to debug and optimization

--- src/Makefile.am.orig	2022-09-25 01:24:24 UTC
+++ src/Makefile.am
@@ -1,5 +1,5 @@
 AM_CPPFLAGS = -I@top_srcdir@/include
-AM_CXXFLAGS = -std=c++11 -g -O3 -W -Wall -pedantic
+AM_CXXFLAGS = -std=c++11 -W -Wall -pedantic
 
 
 LDADD = libfolia.la