Update torchtune pin (pytorch#7670)

(cherry picked from commit a18f6e8)

examples/models/llama3_2_vision/install_requirements.sh

@@ -5,10 +5,7 @@
 # This source code is licensed under the BSD-style license found in the
 # LICENSE file in the root directory of this source tree.
 
-NIGHTLY_VERSION="dev20241112"
+NIGHTLY_VERSION="dev20250115"
 
 # Install torchtune nightly for model definitions.
-pip install --pre torchtune==0.4.0.${NIGHTLY_VERSION} --extra-index-url https://download.pytorch.org/whl/nightly/cpu --no-cache-dir
-
-# Install torchao.
-pip install "$(dirname "$0")/../../../third-party/ao"
+pip install --pre torchtune==0.6.0.${NIGHTLY_VERSION} --extra-index-url https://download.pytorch.org/whl/nightly/cpu --no-cache-dir