Fix extraneous attributes (Review @joakim-noah)

Author: dkgroot

src/core/sys/dragonflybsd/sys/_cpuset.d

@@ -7,7 +7,7 @@
 module core.sys.dragonflybsd.sys._cpuset;
 
 version (DragonFlyBSD):
-extern (C) pure nothrow @nogc @system:
+extern (C):
 
 public import core.sys.dragonflybsd.sys._bitset;
 

src/core/sys/dragonflybsd/sys/elf32.d

@@ -8,7 +8,7 @@ module core.sys.dragonflybsd.sys.elf32;
 
 version (DragonFlyBSD):
 
-extern (C) pure nothrow @nogc @system:
+extern (C):
 
 import core.stdc.stdint;
 public import core.sys.dragonflybsd.sys.elf_common;

src/core/sys/dragonflybsd/sys/elf64.d

@@ -8,7 +8,7 @@ module core.sys.dragonflybsd.sys.elf64;
 
 version (DragonFlyBSD):
 
-extern (C) pure nothrow @nogc @system:
+extern (C):
 
 import core.stdc.stdint;
 public import core.sys.dragonflybsd.sys.elf_common;

src/core/sys/dragonflybsd/sys/elf_common.d

@@ -8,7 +8,7 @@ module core.sys.dragonflybsd.sys.elf_common;
 
 version (DragonFlyBSD):
 
-extern (C) pure nothrow @nogc @system:
+extern (C):
 
 import core.stdc.stdint;
 

src/core/sys/dragonflybsd/sys/link_elf.d

@@ -73,8 +73,8 @@ struct dl_phdr_info
 };
 
 
-private alias extern(C) int function(dl_phdr_info*, size_t, void *) dl_iterate_phdr_cb;
-private alias extern(C) int function(dl_phdr_info*, size_t, void *) @nogc dl_iterate_phdr_cb_ngc;
+private alias int function(dl_phdr_info*, size_t, void *) dl_iterate_phdr_cb;
+private alias int function(dl_phdr_info*, size_t, void *) @nogc dl_iterate_phdr_cb_ngc;
 extern int dl_iterate_phdr(dl_iterate_phdr_cb __callback, void*__data);
 extern int dl_iterate_phdr(dl_iterate_phdr_cb_ngc __callback, void*__data) @nogc;
 extern int _rtld_addr_phdr(const void*, dl_phdr_info*) @nogc;

src/core/sys/dragonflybsd/sys/mman.d

@@ -7,7 +7,7 @@
 module core.sys.dragonflybsd.sys.mman;
 
 version (DragonFlyBSD):
-extern (C) nothrow @system:
+extern (C) nothrow @nogc @system:
 
 public import core.sys.posix.sys.mman;
 import core.sys.dragonflybsd.sys.cdefs;

src/core/sys/dragonflybsd/time.d

@@ -12,7 +12,7 @@ public import core.sys.posix.time;
 
 version(DragonFlyBSD):
 
-extern (C) nothrow @nogc @system:
+extern (C):
 
 import core.sys.dragonflybsd.sys.cdefs;