Remove -gnatwJ flag from compilation

Removing this flag will cause many warnings to appear that look like:

warning: array aggregate using () is an obsolescent syntax, use [] instead [-gnatwj]

This commit removes the flag and fixes any updates all uses of the
obselescent syntax within Adamant.

redo/targets/gpr/a_adamant.gpr

@@ -43,13 +43,11 @@ abstract project a_adamant is
       -- -gnatwt - deleted conditional code
       -- -gnatw.X - disable warnings for No_Exception_Propagation mode, since this is usable in Linux
       -- -gnat2022- add support for gnat2022 features
-      -- -gnatwJ ignore warnings (for now) like:
-      --    warning: array aggregate using () is an obsolescent syntax, use [] instead [-gnatwj]
       --
       -- Note: I did not turn on gnatwd, because writing "all" all the time makes things
       -- less readable.
       --
-      ADA_FLAGS := ("-gnatf", "-gnatwa", "-gnatwl", "-gnatw.o", "-gnatwt", "-gnatw.X", "-gnat2022", "-gnatwJ");
+      ADA_FLAGS := ("-gnatf", "-gnatwa", "-gnatwl", "-gnatw.o", "-gnatwt", "-gnatw.X", "-gnat2022");
       COMMON_C_FLAGS := ("-Wall", "-Wextra", "-pedantic");
       C_FLAGS := COMMON_C_FLAGS & ("-std=gnu99");
       CPP_FLAGS := COMMON_C_FLAGS & ("-std=c++0x");