configure: don't create unnecessary directories

MythTV does not use these directories and has nothing in them.
They are for/from ffmpeg, but aren't necessary for MythTV.

mythtv/configure

@@ -3266,7 +3266,7 @@ case "$toolchain" in
                 target_exec_args="--tool=massif --alloc-fn=av_malloc --alloc-fn=av_mallocz --alloc-fn=av_calloc --alloc-fn=av_fast_padded_malloc --alloc-fn=av_fast_malloc --alloc-fn=av_realloc_f --alloc-fn=av_fast_realloc --alloc-fn=av_realloc"
                 ;;
             valgrind-memcheck)
-                target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
+                target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all"
                 ;;
         esac
     ;;
@@ -7489,7 +7489,7 @@ fi
 enabled stripping || strip="echo skipping strip"
 enabled stripping || striptype=""
 
-config_files="$TMPH $TMPMAK doc/config.texi"
+config_files="$TMPH $TMPMAK"
 
 if enabled backend; then
   echo "Video4Linux support       ${v4l2-no}"
@@ -7863,12 +7863,6 @@ fi
 
 enabled getenv || echo "#define getenv(x) NULL" >> $TMPH
 
-
-mkdir -p doc
-mkdir -p tests
-mkdir -p tests/api
-echo "@c auto-generated by configure - do not modify! " > doc/config.texi
-
 print_config ARCH_   "$config_files" $ARCH_LIST
 print_config HAVE_   "$config_files" $HAVE_LIST
 print_config HAVE_   "$config_files" $MYTHTV_HAVE_LIST