Revert "chore(deps): bump torch from 2.4.1 to 2.7.1+xpu in /backend/python/bark in the pip group across 1 directory" (#8180)

Revert "chore(deps): bump torch from 2.4.1 to 2.7.1+xpu in /backend/python/ba…"

This reverts commit 5881c82413.

backend/python/bark/requirements-cpu.txt

@@ -1,4 +1,4 @@
 transformers
 accelerate
-torch==2.7.1+xpu
+torch==2.4.1
 torchaudio==2.4.1

backend/python/bark/requirements-cublas12.txt

@@ -1,4 +1,4 @@
-torch==2.7.1+xpu
+torch==2.4.1
 torchaudio==2.4.1
 transformers
 accelerate

backend/python/bark/requirements-hipblas.txt

@@ -1,5 +1,5 @@
 --extra-index-url https://download.pytorch.org/whl/rocm6.4
-torch==2.7.1+xpu
+torch==2.8.0+rocm6.4
 torchaudio==2.8.0+rocm6.4
 transformers
 accelerate