Removing copyright

Rev: src/modules/Msql/configure.in:1.7
Rev: src/modules/Msql/msqlmod.c:1.19
Rev: src/modules/Postgres/Makefile.in:1.6
Rev: src/modules/Postgres/configure.in:1.15
Rev: src/modules/Postgres/pgresult.c:1.17
Rev: src/modules/Postgres/postgres.c:1.25
Rev: src/modules/sybase/BUGS:1.2
Rev: src/modules/sybase/Makefile.in:1.2
Rev: src/modules/sybase/TODO:1.2
Rev: src/modules/sybase/acconfig.h:1.3
Rev: src/modules/sybase/configure.in:1.6
Rev: src/modules/sybase/sybase.c:1.7
Rev: src/modules/sybase/sybase.h:1.4