remove thealgorithms/c tests

- tests depend on CMSIS-DSP which targets Cortex-M and Cortex-A Arm_math.h
 - this is available only for armv6 upwards
 - source: https://developer.arm.com/tools-and-software/embedded/cmsis
   (DSP)

.github/workflows/main.yml

@@ -367,7 +367,7 @@ jobs:
               ninja_arg: "",
               openssl: "yes",
               openssl_arg: "linux-x86",
-              C: "yes",
+              C: "no",
               C_arg: "",
               C-Plus-Plus: "yes",
               C-Plus-Plus_arg: "",