[ir] Move spirv.def file.

Move the `spirv.def` file up a folder so it matches the location of the
`core.def` file.

Bug: tint:1718
Change-Id: I41278a33d3650876955b69461c8cc656bf1c28e8
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/150081
Commit-Queue: dan sinclair <dsinclair@chromium.org>
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: James Price <jrprice@google.com>
Reviewed-by: Ben Clayton <bclayton@google.com>
diff --git a/src/tint/lang/spirv/ir/function.cc.tmpl b/src/tint/lang/spirv/ir/function.cc.tmpl
index 2a301e3..f745c2a 100644
--- a/src/tint/lang/spirv/ir/function.cc.tmpl
+++ b/src/tint/lang/spirv/ir/function.cc.tmpl
@@ -11,7 +11,7 @@
 --------------------------------------------------------------------------------
 */ -}}
 
-{{- $I := LoadIntrinsics "src/tint/lang/spirv/ir/spirv.def" -}}
+{{- $I := LoadIntrinsics "src/tint/lang/spirv/spirv.def" -}}
 #include "src/tint/lang/spirv/ir/function.h"
 
 namespace tint::spirv::ir {
diff --git a/src/tint/lang/spirv/ir/function.h.tmpl b/src/tint/lang/spirv/ir/function.h.tmpl
index e983e8a..987568d 100644
--- a/src/tint/lang/spirv/ir/function.h.tmpl
+++ b/src/tint/lang/spirv/ir/function.h.tmpl
@@ -11,7 +11,7 @@
 --------------------------------------------------------------------------------
 */ -}}
 
-{{- $I := LoadIntrinsics "src/tint/lang/spirv/ir/spirv.def" -}}
+{{- $I := LoadIntrinsics "src/tint/lang/spirv/spirv.def" -}}
 
 #ifndef SRC_TINT_LANG_SPIRV_IR_FUNCTION_H_
 #define SRC_TINT_LANG_SPIRV_IR_FUNCTION_H_
diff --git a/src/tint/lang/spirv/ir/intrinsic.cc.tmpl b/src/tint/lang/spirv/ir/intrinsic.cc.tmpl
index eb4bf23..4928c77 100644
--- a/src/tint/lang/spirv/ir/intrinsic.cc.tmpl
+++ b/src/tint/lang/spirv/ir/intrinsic.cc.tmpl
@@ -11,7 +11,7 @@
 --------------------------------------------------------------------------------
 */ -}}
 
-{{- $I := LoadIntrinsics "src/tint/lang/spirv/ir/spirv.def" -}}
+{{- $I := LoadIntrinsics "src/tint/lang/spirv/spirv.def" -}}
 {{- Import "src/tint/utils/templates/enums.tmpl.inc" -}}
 {{- $enum := ($I.Sem.Enum "intrinsic") -}}
 
diff --git a/src/tint/lang/spirv/ir/intrinsic.h.tmpl b/src/tint/lang/spirv/ir/intrinsic.h.tmpl
index 2723e05..6bd3e67 100644
--- a/src/tint/lang/spirv/ir/intrinsic.h.tmpl
+++ b/src/tint/lang/spirv/ir/intrinsic.h.tmpl
@@ -11,7 +11,7 @@
 --------------------------------------------------------------------------------
 */ -}}
 
-{{- $I := LoadIntrinsics "src/tint/lang/spirv/ir/spirv.def" -}}
+{{- $I := LoadIntrinsics "src/tint/lang/spirv/spirv.def" -}}
 {{- Import "src/tint/utils/templates/enums.tmpl.inc" -}}
 {{- $enum := ($I.Sem.Enum "intrinsic") -}}
 
diff --git a/src/tint/lang/spirv/ir/spirv.def b/src/tint/lang/spirv/spirv.def
similarity index 100%
rename from src/tint/lang/spirv/ir/spirv.def
rename to src/tint/lang/spirv/spirv.def