Remove detailed compiler check

Currently the Makefile tries to pick the latest version of g++ and
overrides CXX when found.

Since we give an error if the version of the compiler is not sufficient,
we can remove this check.

It's now possible to specify an older version (on purpose) and new
compiler version don't need to be added manually.

Makefile

@@ -73,34 +73,9 @@ ifeq ($(CXX_IS_CLANG),true)
 	ifneq ($(shell test $(CXX_VERSION_MAJOR) -lt $(MIN_CLANG_VERSION); echo $$?),0)
 		CLANG_WORKS := true
 	endif
-endif
-ifeq ($(CLANG_WORKS),false)
-	#? Try to find a newer GCC version
-	ifeq ($(shell command -v g++-13 >/dev/null; echo $$?),0)
-		CXX := g++-13
-	else ifeq ($(shell command -v g++13 >/dev/null; echo $$?),0)
-		CXX := g++13
-	else ifeq ($(shell command -v g++-12 >/dev/null; echo $$?),0)
-		CXX := g++-12
-	else ifeq ($(shell command -v g++12 >/dev/null; echo $$?),0)
-		CXX := g++12
-	else ifeq ($(shell command -v g++-11 >/dev/null; echo $$?),0)
-		CXX := g++-11
-	else ifeq ($(shell command -v g++11 >/dev/null; echo $$?),0)
-		CXX := g++11
-	else ifeq ($(shell command -v g++ >/dev/null; echo $$?),0)
-		CXX := g++
-	else ifeq ($(shell command -v eg++ >/dev/null; echo $$?),0)
-		CXX := eg++
-	else
-		GCC_NOT_FOUND := true
-	endif
-	ifndef GCC_NOT_FOUND
-		override CXX_VERSION := $(shell $(CXX) -dumpfullversion -dumpversion || echo 0)
-		override CXX_VERSION_MAJOR := $(shell echo $(CXX_VERSION) | cut -d '.' -f 1)
-		ifneq ($(shell test $(CXX_VERSION_MAJOR) -lt 10; echo $$?),0)
-			GCC_WORKS := true
-		endif
+else
+	ifneq ($(shell test $(CXX_VERSION_MAJOR) -lt 10; echo $$?),0)
+		GCC_WORKS := true
 	endif
 endif