Remove TSAN suppression for execute_post_instantiate_functions (#2741)

The problem has been fixed: #2680.

tests/wamr-test-suites/tsan_suppressions.txt

@@ -2,10 +2,6 @@
 # https://github.com/bytecodealliance/wasm-micro-runtime/pull/1963#issuecomment-1455342931
 race:STORE_U32
 
-
-# https://github.com/bytecodealliance/wasm-micro-runtime/issues/2680
-race:execute_post_instantiate_functions
-
 # Suppressing signal-unsafe inside of a signal for AOT mode 
 # see https://github.com/bytecodealliance/wasm-micro-runtime/issues/2248#issuecomment-1630189656
 signal:*