Remove everything, going rustacean

Signed-off-by: Slendi <slendi@socopon.com>

src/common.h

@@ -1,15 +0,0 @@
-#pragma once
-
-#include <format>
-
-#define OPENXR_CHECK(fn_call, ...) \
-	do { \
-		XrResult result = fn_call(__VA_ARGS__); \
-		if (result != XR_SUCCESS) { \
-			std::array<char, XR_MAX_RESULT_STRING_SIZE> msg {}; \
-			xrResultToString(nullptr, result, msg.data()); \
-			throw std::runtime_error( \
-			    std::format("OpenXR call '{}' failed (code {}): {}", #fn_call, \
-			        static_cast<int>(result), msg.data())); \
-		} \
-	} while (0)