v3dv: drop incorrect assertion

This was intended to check that we only got
VK_COMMAND_BUFFER_USAGE_RENDER_PASS_CONTINUE_BIT
on secondary command buffers, but the spec states that this flag
should be ignored for primary command buffers.

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6766>
diff --git a/src/broadcom/vulkan/v3dv_cmd_buffer.c b/src/broadcom/vulkan/v3dv_cmd_buffer.c
index 547a4cd..7a91cf8 100644
--- a/src/broadcom/vulkan/v3dv_cmd_buffer.c
+++ b/src/broadcom/vulkan/v3dv_cmd_buffer.c
@@ -629,9 +629,6 @@
 {
    V3DV_FROM_HANDLE(v3dv_cmd_buffer, cmd_buffer, commandBuffer);
 
-   assert(cmd_buffer->level == VK_COMMAND_BUFFER_LEVEL_SECONDARY ||
-          !(cmd_buffer->usage_flags & VK_COMMAND_BUFFER_USAGE_RENDER_PASS_CONTINUE_BIT));
-
    /* If this is the first vkBeginCommandBuffer, we must initialize the
     * command buffer's state. Otherwise, we must reset its state. In both
     * cases we reset it.