删除llvm配置中无用的lldb-mi

issue：https://gitee.com/openharmony/manifest/issues/I9JCU8?from=project-issue

Test：LLVM Toolchain Compilation

Signed-off-by: xwx1135370 <xuyao44@huawei.com>

llvm-toolchain.xml

@@ -4,7 +4,6 @@
   <default remote="origin" revision="master" sync-j="4" />
 
   <project name="third_party_llvm-project" path="toolchain/llvm-project" />
-  <project name="third_party_lldb-mi" path="toolchain/lldb-mi" />
   <project name="prebuilts_lite_sysroot" path="prebuilts/lite/sysroot" />
   <project name="kernel_liteos_a" path="kernel/liteos_a" />
   <project name="kernel_linux_patches" path="kernel/linux/patches" />

matrix_product.csv

@@ -528,7 +528,6 @@ device_board_openvalley,@ohos/device_board_openvalley,N,N,N,N,N,N,N,N,N,N,N,N,N,
 vendor_openvalley,@ohos/vendor_openvalley,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,,N,,,N,,,,
 device_soc_esp,@ohos/device_soc_esp,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,,N,,,N,,,,
 third_party_llvm-project,@ohos/llvm-project,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,Y,,N,,,N,,,,
-third_party_lldb-mi,@ohos/lldb-mi,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,Y,,N,,,N,,,,
 security_certificate_manager,@ohos/security_certificate_manager,Y,N,N,Y,Y,N,Y,N,N,N,N,N,N,N,N,N,N,N,Y,N,N,N,N,,N,,,N,,Y,Y,
 security_privacy_center,@ohos/security_privacy_center,N,Y,N,Y,Y,N,N,N,N,N,N,N,N,N,N,N,N,N,Y,N,N,N,N,,Y,,,N,,,,
 multimedia_av_session,@ohos/multimedia_av_session,Y,N,N,Y,Y,N,Y,N,N,N,N,N,N,N,N,Y,N,N,Y,N,N,N,N,,N,,,N,,,,