Always export compile_commands.json

My current workflow with the Helix editor uses it, and I never want to
*not* have that generated anymore.

CMakeLists.txt

@@ -3,10 +3,7 @@ project (c-ray C)
 
 set(CMAKE_RUNTIME_OUTPUT_DIRECTORY bin/)
 
-if (DEFINED ENV{CRAY_EXPORT_CMDS})
-	message(STATUS "Exporting compile commands")
-	set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
-endif()
+set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
 
 message(STATUS "The C compiler is: ${CMAKE_C_COMPILER}")
 

rebuild/debug

@@ -1,2 +1,2 @@
 #!/bin/sh
-CRAY_EXPORT_CMDS=1 cmake . -DCMAKE_BUILD_TYPE=Debug && make -j"$(nproc)"
+cmake . -DCMAKE_BUILD_TYPE=Debug && make -j"$(nproc)"

rebuild/release

@@ -1,2 +1,2 @@
 #!/bin/sh
-CRAY_EXPORT_CMDS=1 cmake . -DCMAKE_BUILD_TYPE=Release && make -j"$(nproc)"
+cmake . -DCMAKE_BUILD_TYPE=Release && make -j"$(nproc)"