Remove --no-cache-dir from github CI

.github/workflows/github-torch-hub.yml

@@ -21,7 +21,7 @@ jobs:
     - name: Install dependencies
       run: |
         pip install --upgrade pip
-        pip install torch --no-cache-dir
+        pip install torch
         pip install numpy tokenizers filelock requests tqdm regex sentencepiece sacremoses packaging
 
     - name: Torch hub list

.github/workflows/self-push.yml

@@ -36,7 +36,7 @@ jobs:
       run: |
         source .env/bin/activate
         pip install --upgrade pip
-        pip install torch!=1.6.0 --no-cache-dir
+        pip install torch!=1.6.0
         pip install .[sklearn,testing]
 
     - name: Are GPUs recognized by our DL frameworks

.github/workflows/self-scheduled.yml

@@ -32,7 +32,7 @@ jobs:
       run: |
         source .env/bin/activate
         pip install --upgrade pip
-        pip install .[sklearn,torch,testing] --no-cache-dir
+        pip install .[sklearn,torch,testing]
 
     - name: Are GPUs recognized by our DL frameworks
       run: |