[Doc] Fix broken build instruction (#1063)

Signed-off-by: Wang, Xigui <xigui.wang@intel.com>

Author: xiguiw

ChatQnA/docker_compose/intel/hpu/gaudi/README.md

@@ -103,7 +103,7 @@ docker build -t opea/guardrails-tgi:latest --build-arg https_proxy=$https_proxy
 
    ```bash
    git clone https://github.com/opea-project/GenAIExamples.git
-   cd GenAIExamples/ChatQnA/docker
+   cd GenAIExamples/ChatQnA
    docker build --no-cache -t opea/chatqna:latest --build-arg https_proxy=$https_proxy --build-arg http_proxy=$http_proxy -f Dockerfile .
    ```
 
@@ -123,7 +123,7 @@ docker build -t opea/guardrails-tgi:latest --build-arg https_proxy=$https_proxy
 
    ```bash
    git clone https://github.com/opea-project/GenAIExamples.git
-   cd GenAIExamples/ChatQnA/docker
+   cd GenAIExamples/ChatQnA
    docker build --no-cache -t opea/chatqna-without-rerank:latest --build-arg https_proxy=$https_proxy --build-arg http_proxy=$http_proxy -f Dockerfile.without_rerank .
    ```
 

ChatQnA/docker_compose/nvidia/gpu/README.md

@@ -95,7 +95,7 @@ To construct the Mega Service, we utilize the [GenAIComps](https://github.com/op
 
 ```bash
 git clone https://github.com/opea-project/GenAIExamples.git
-cd GenAIExamples/ChatQnA/docker
+cd GenAIExamples/ChatQnA
 docker build --no-cache -t opea/chatqna:latest --build-arg https_proxy=$https_proxy --build-arg http_proxy=$http_proxy -f Dockerfile .
 cd ../../..
 ```

DocSum/docker_compose/intel/hpu/gaudi/README.md

@@ -28,7 +28,7 @@ To construct the Mega Service, we utilize the [GenAIComps](https://github.com/op
 
 ```bash
 git clone https://github.com/opea-project/GenAIExamples
-cd GenAIExamples/DocSum/docker
+cd GenAIExamples/DocSum
 docker build -t opea/docsum:latest --build-arg https_proxy=$https_proxy --build-arg http_proxy=$http_proxy -f Dockerfile .
 ```
 

SearchQnA/docker_compose/intel/hpu/gaudi/README.md

@@ -38,14 +38,14 @@ To construct the Mega Service, we utilize the [GenAIComps](https://github.com/op
 
 ```bash
 git clone https://github.com/opea-project/GenAIExamples.git
-cd GenAIExamples/SearchQnA/docker
+cd GenAIExamples/SearchQnA
 docker build --no-cache -t opea/searchqna:latest --build-arg https_proxy=$https_proxy --build-arg http_proxy=$http_proxy -f Dockerfile .
 ```
 
 Then you need to build the last Docker image `opea/searchqna:latest`, which represents the Mega service through following commands:
 
 ```bash
-cd GenAIExamples/SearchQnA/docker
+cd GenAIExamples/SearchQnA
 docker build --no-cache -t opea/searchqna:latest --build-arg https_proxy=$https_proxy --build-arg http_proxy=$http_proxy -f Dockerfile .
 ```
 

Translation/docker_compose/intel/hpu/gaudi/README.md

@@ -35,7 +35,7 @@ To construct the Mega Service, we utilize the [GenAIComps](https://github.com/op
 
 ```bash
 git clone https://github.com/opea-project/GenAIExamples
-cd GenAIExamples/Translation/docker
+cd GenAIExamples/Translation
 docker build -t opea/translation:latest --build-arg https_proxy=$https_proxy --build-arg http_proxy=$http_proxy -f Dockerfile .
 ```