gdb: remove SYMBOL_*_OPS macros

Remove SYMBOL_BLOCK_OPS, SYMBOL_COMPUTED_OPS and SYMBOL_REGISTER_OPS, in
favor of methods on struct symbol.  More changes could be done here to
improve the design and make things safer, but I just wanted to do a
straightforward change to remove the macros for now.

Change-Id: I27adb74a28ea3c0dc9a85c2953413437cd95ad21
Reviewed-by: Kevin Buettner <kevinb@redhat.com>
11 files changed