[6.5] 191ca4b5d Remove

[Federico G. Schwindt]

commit 191ca4b5d17f29430544c3616da48a465392935b
Author: Federico G. Schwindt <fgsch at lodoss.net>
Date:   Sat Sep 19 14:12:57 2020 +0100

    Remove
    
    If direnv is installed you will get a warning otherwise.

diff --git a/.envrc b/.envrc
deleted file mode 100644
index 79286502e..000000000
--- a/.envrc
+++ /dev/null
@@ -1,5 +0,0 @@
-DETECT_LEAKS=$(test $(uname) = "Darwin"; echo $?)
-export ASAN_OPTIONS=abort_on_error=1,detect_odr_violation=1,detect_leaks=$DETECT_LEAKS,detect_stack_use_after_return=1,detect_invalid_pointer_pairs=1,handle_segv=0,handle_sigbus=0,use_sigaltstack=0,disable_coredump=0
-export LSAN_OPTIONS=abort_on_error=1,use_sigaltstack=0,suppressions=$(pwd)/tools/lsan.suppr
-export TSAN_OPTIONS=abort_on_error=1,halt_on_error=1,use_sigaltstack=0,suppressions=$(pwd)/tools/tsan.suppr
-export UBSAN_OPTIONS=halt_on_error=1,print_stacktrace=1,use_sigaltstack=0,suppressions=$(pwd)/tools/ubsan.suppr