[gl] Remove GetBindingName method

This became unused when we switched to the IR backend, which handles
binding names differently.

Change-Id: I3734bf23d5a0be4ba0b2cfa6ce6097f5ab888a2f
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/287355
Commit-Queue: Stephen White <senorblanco@chromium.org>
Auto-Submit: James Price <jrprice@google.com>
Reviewed-by: Stephen White <senorblanco@chromium.org>

src/dawn/native/opengl/ShaderModuleGL.cpp

diff --git a/src/dawn/native/opengl/ShaderModuleGL.cpp b/src/dawn/native/opengl/ShaderModuleGL.cpp
index 525502d..6d9c5aa 100644
--- a/src/dawn/native/opengl/ShaderModuleGL.cpp
+++ b/src/dawn/native/opengl/ShaderModuleGL.cpp
@@ -297,13 +297,6 @@
 
 }  // namespace
 
-std::string GetBindingName(BindGroupIndex group, BindingNumber bindingNumber) {
-    std::ostringstream o;
-    o << "dawn_binding_" << static_cast<uint32_t>(group) << "_"
-      << static_cast<uint32_t>(bindingNumber);
-    return o.str();
-}
-
 bool operator<(const CombinedSamplerElement& a, const CombinedSamplerElement& b) {
     return std::tie(a.group, a.index, a.shaderArraySize) <
            std::tie(b.group, b.index, b.shaderArraySize);

src/dawn/native/opengl/ShaderModuleGL.h

diff --git a/src/dawn/native/opengl/ShaderModuleGL.h b/src/dawn/native/opengl/ShaderModuleGL.h
index 53743ea..f03aeeb 100644
--- a/src/dawn/native/opengl/ShaderModuleGL.h
+++ b/src/dawn/native/opengl/ShaderModuleGL.h
@@ -53,8 +53,6 @@
 class PipelineLayout;
 struct OpenGLFunctions;
 
-std::string GetBindingName(BindGroupIndex group, BindingNumber bindingNumber);
-
 #define COMBINED_SAMPLER_ELEMENT_MEMBERS(X)                                                 \
     X(BindGroupIndex, group)                                                                \
     X(BindingIndex, index)                                                                  \