JDKLIB is apparently unused

Change-Id: I8d13b28a0a6f0063a9249417bd0518dc3b83f8d0
Remove (hopefully) obsolete workarounds

...that lead to -Werror=unused-macros with gcj on Linux.

Change-Id: I7a77789fe212d1c87a4ac0a93a79cc7a8ba7a7ad
Merge AWTLIB and JAVALIB together as JAWTLIB

...only used in bean/Library_officebean.mk

Change-Id: Ic57eb66197f55562157c2ca961001ed01e9906b2