Update CodeChallenge.md

Author: vickiegpt

Apps/ISC/ISC-22/CodeChallenge.md

@@ -60,8 +60,6 @@ The key concept of making a blocking process into a non\-blocking process is to
 
 The variable relationship is shown in the figure\. We can see that we can calculate these arrays in parallel\.
 
-![](img/ISC22-Final-Report-ShanghaiTech-GeekPie_HPC62.%3Cpptx.opc.package.Part%20object%20at%200x107442790%3E)
-
 Make it non\-blocking in detail
 
 ![](img/ISC22-Final-Report-ShanghaiTech-GeekPie_HPC63.png)
@@ -262,4 +260,4 @@ We do not successfully submit the job 8x8 ppn8 with DPU\, so we use the data 8x8
   * Changing blocking MPI calls into non\-blocking MPI calls in Xcompact3d\.
   * Using Spack as the build system during the competition\.
   * Putting forward the idea of changing the blocking MPI calls into non\-blocking MPI automatically by compilers\.
-  * Discussing the weak scalability and strong scalability about Xcompact3d\.
+  * Discussing the weak scalability and strong scalability about Xcompact3d\.