fix duplication

.bazelrc

@@ -1,8 +1,6 @@
 # REMINDER: WHEN CHANGING THIS FILE, PLEASE CHANGE ALL .BAZELRC FILES IN ALL THREE REPOS!!!!
 # (unfortunately, we cannot have a single source of truth...)
 
-build --incompatible_enable_cc_toolchain_resolution
-
 # note: each bazelrc that try-imports this one needs to try-import the buildbuddy bazelrc but using the correct relative path
 try-import %workspace%/../.buildbuddy.bazelrc
 
@@ -78,4 +76,4 @@ build:san --copt -O3
 build:san --copt -fno-omit-frame-pointer
 # we ignore ODR violations because we have two versions of zlib, one from protobuf and one from seal. not good. but issok.
 build:san --action_env=ASAN_OPTIONS=detect_odr_violation=0
-build:san --linkopt -fsanitize=address,undefined
+build:san --linkopt -fsanitize=address,undefined