Revert "modified the gentoo module to allow overwriting the location of the custom directory, to facilitate testing"

This reverts commit a228a29.

Author: mboisson

modules-avx/gentoo/2020.lua

@@ -20,5 +20,4 @@ if not cuda_driver_version or cuda_driver_version == "" then
 	cuda_driver_version = get_installed_cuda_driver_version()
 end
 
-local custom_root = os.getenv("RSNT_CUSTOM_ROOT") or "/cvmfs/soft.computecanada.ca/custom"
-assert(loadfile(custom_root .. "/modules/gentoo/2020.lua.core"))(arch, cpu_vendor_id, interconnect, cuda_driver_version)
+assert(loadfile("/cvmfs/soft.computecanada.ca/custom/modules/gentoo/2020.lua.core"))(arch, cpu_vendor_id, interconnect, cuda_driver_version)

modules-avx2/gentoo/2020.lua

@@ -20,5 +20,4 @@ if not cuda_driver_version or cuda_driver_version == "" then
 	cuda_driver_version = get_installed_cuda_driver_version()
 end
 
-local custom_root = os.getenv("RSNT_CUSTOM_ROOT") or "/cvmfs/soft.computecanada.ca/custom"
-assert(loadfile(custom_root .. "/modules/gentoo/2020.lua.core"))(arch, cpu_vendor_id, interconnect, cuda_driver_version)
+assert(loadfile("/cvmfs/soft.computecanada.ca/custom/modules/gentoo/2020.lua.core"))(arch, cpu_vendor_id, interconnect, cuda_driver_version)

modules-avx512/gentoo/2020.lua

@@ -20,5 +20,4 @@ if not cuda_driver_version or cuda_driver_version == "" then
 	cuda_driver_version = get_installed_cuda_driver_version()
 end
 
-local custom_root = os.getenv("RSNT_CUSTOM_ROOT") or "/cvmfs/soft.computecanada.ca/custom"
-assert(loadfile(custom_root .. "/modules/gentoo/2020.lua.core"))(arch, cpu_vendor_id, interconnect, cuda_driver_version)
+assert(loadfile("/cvmfs/soft.computecanada.ca/custom/modules/gentoo/2020.lua.core"))(arch, cpu_vendor_id, interconnect, cuda_driver_version)

modules-sse3/gentoo/2020.lua

@@ -20,5 +20,4 @@ if not cuda_driver_version or cuda_driver_version == "" then
 	cuda_driver_version = get_installed_cuda_driver_version()
 end
 
-local custom_root = os.getenv("RSNT_CUSTOM_ROOT") or "/cvmfs/soft.computecanada.ca/custom"
-assert(loadfile(custom_root .. "/modules/gentoo/2020.lua.core"))(arch, cpu_vendor_id, interconnect, cuda_driver_version)
+assert(loadfile("/cvmfs/soft.computecanada.ca/custom/modules/gentoo/2020.lua.core"))(arch, cpu_vendor_id, interconnect, cuda_driver_version)

modules/gentoo/2020.lua

@@ -27,7 +27,6 @@ if not cuda_driver_version or cuda_driver_version == "" then
 	cuda_driver_version = get_installed_cuda_driver_version()
 end
 
-local custom_root = os.getenv("RSNT_CUSTOM_ROOT") or "/cvmfs/soft.computecanada.ca/custom"
-assert(loadfile(custom_root .. "/modules/gentoo/2020.lua.core"))(arch, cpu_vendor_id, interconnect, cuda_driver_version)
+assert(loadfile("/cvmfs/soft.computecanada.ca/custom/modules/gentoo/2020.lua.core"))(arch, cpu_vendor_id, interconnect, cuda_driver_version)
 conflict("StdEnv/2016.4")
 conflict("StdEnv/2018.3")