Update cmake.yml

Author: the0cp

.github/workflows/cmake.yml

@@ -25,14 +25,11 @@ jobs:
       matrix:
         os: [ubuntu-latest]
         build_type: [Release]
-        c_compiler: [gcc, clang, cl]
+        c_compiler: [gcc]
         include:
           - os: ubuntu-latest
             c_compiler: gcc
             cpp_compiler: g++
-          - os: ubuntu-latest
-            c_compiler: clang
-            cpp_compiler: clang++
         exclude:
           - os: ubuntu-latest
             c_compiler: cl