Remove filterIncludePath and filterLibraryPath usage.

They are only defined in qt5's configure script.

Task-number: QTBUG-45463
Change-Id: Ibce2bd1d06e35de5174b15919c939b41cf013d05
Reviewed-by: Oswald Buddenhagen <[email protected]>

Author: perezmeyer

configure

@@ -5575,8 +5575,8 @@ for _SQLDR in $CFG_SQL_AVAILABLE; do
                 [ -z "$CFG_PSQL_CONFIG" ] && CFG_PSQL_CONFIG=`"$WHICH" pg_config`
                 # Be careful not to use native pg_config when cross building.
                 if [ "$XPLATFORM_MINGW" != "yes" ] && [ -x "$CFG_PSQL_CONFIG" ]; then
-                    QT_CFLAGS_PSQL=`$CFG_PSQL_CONFIG --includedir 2>/dev/null | filterIncludePath`
-                    QT_LFLAGS_PSQL=`$CFG_PSQL_CONFIG --libdir 2>/dev/null | filterLibraryPath`
+                    QT_CFLAGS_PSQL=`$CFG_PSQL_CONFIG --includedir 2>/dev/null`
+                    QT_LFLAGS_PSQL=`$CFG_PSQL_CONFIG --libdir 2>/dev/null`
                 fi
                 [ -z "$QT_CFLAGS_PSQL" ] || QT_CFLAGS_PSQL="-I$QT_CFLAGS_PSQL"
                 [ -z "$QT_LFLAGS_PSQL" ] || QT_LFLAGS_PSQL="-L$QT_LFLAGS_PSQL"