fix

tests/general/abort.c.stderr.expected

@@ -1,7 +0,0 @@
-Error: failed to run main module `abort.c.---.wasm`
-
-Caused by:
-    0: error while executing at wasm backtrace:
-note: using the `WASMTIME_BACKTRACE_DETAILS=1` environment variable may show more debugging information
-    1: wasm trap: wasm `unreachable` instruction executed
-

tests/general/assert-fail.c.stderr.expected

@@ -1,8 +0,0 @@
-Assertion failed: false (assert-fail.c: main: 9)
-Error: failed to run main module `assert-fail.c.---.wasm`
-
-Caused by:
-    0: error while executing at wasm backtrace:
-note: using the `WASMTIME_BACKTRACE_DETAILS=1` environment variable may show more debugging information
-    1: wasm trap: wasm `unreachable` instruction executed
-

tests/general/sigabrt.c.stderr.expected

@@ -1,6 +0,0 @@
-raising SIGABRT...
-Program received fatal signal: Aborted
-Error: failed to run main module `sigabrt.c.---.wasm`
-
-Caused by:
-    0: error while executing at wasm backtrace: