ci: Remove git revision from Knut version

This breaks sccache, as every new commit now had different compiler
arguments!

CMakeLists.txt

@@ -52,21 +52,21 @@ endif()
 add_definitions(-DKNUT_VERSION="${PROJECT_VERSION}")
 set(KNUT_VERSION_STRING "${PROJECT_VERSION}")
 
-if(EXISTS "${CMAKE_SOURCE_DIR}/.git")
-  find_package(Git)
-  if(GIT_FOUND)
-    execute_process(
-      COMMAND ${GIT_EXECUTABLE} rev-parse --short HEAD
-      WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
-      OUTPUT_VARIABLE GIT_REVISION)
-    string(REGEX REPLACE "\n" "" GIT_REVISION "${GIT_REVISION}")
-    message(STATUS "Git revision ${GIT_REVISION} with exe ${GIT_EXECUTABLE}")
-    set(KNUT_VERSION_STRING
-        "${KNUT_VERSION_STRING} (revision: ${GIT_REVISION})")
-  else()
-    message(STATUS "GIT not found!?")
-  endif()
-endif()
+# if(EXISTS "${CMAKE_SOURCE_DIR}/.git")
+#   find_package(Git)
+#   if(GIT_FOUND)
+#     execute_process(
+#       COMMAND ${GIT_EXECUTABLE} rev-parse --short HEAD
+#       WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
+#       OUTPUT_VARIABLE GIT_REVISION)
+#     string(REGEX REPLACE "\n" "" GIT_REVISION "${GIT_REVISION}")
+#     message(STATUS "Git revision ${GIT_REVISION} with exe ${GIT_EXECUTABLE}")
+#     set(KNUT_VERSION_STRING
+#         "${KNUT_VERSION_STRING} (revision: ${GIT_REVISION})")
+#   else()
+#     message(STATUS "GIT not found!?")
+#   endif()
+# endif()
 add_definitions(-DKNUT_VERSION_STRING="${KNUT_VERSION_STRING}")
 
 # Generate build date for the about dialog Note: This is the simplest way to get