Update dtk_tag & remove ldflags -warn off

With dtk v0.9.5, disabling linker warnings is no
longer necessary. Based on mw_comment_version,
it adjusts behavior for the linker version.

configure.py

@@ -130,7 +130,7 @@ if not config.non_matching:
 # Tool versions
 config.binutils_tag = "2.42-1"
 config.compilers_tag = "20240706"
-config.dtk_tag = "v0.9.4"
+config.dtk_tag = "v0.9.5"
 config.objdiff_tag = "v2.0.0-beta.5"
 config.sjiswrap_tag = "v1.1.1"
 config.wibo_tag = "0.6.11"
@@ -148,7 +148,6 @@ config.asflags = [
 config.ldflags = [
     "-fp hardware",
     "-nodefaults",
-    # "-warn off",
     # "-listclosure", # Uncomment for Wii linkers
 ]
 # Use for any additional files that should cause a re-configure when modified