Remove submodule and shift to Go server - 0.4.0 (#7157)

* Remove llama.cpp submodule and shift new build to top

* CI: install msys and clang gcc on win

Needed for deepseek to work properly on windows

scripts/env.sh

@@ -20,12 +20,6 @@ OLLAMA_COMMON_BUILD_ARGS="--build-arg=VERSION \
     --build-arg=CUSTOM_CPU_FLAGS \
     --build-arg=GPU_RUNNER_CPU_FLAGS \
     --build-arg=AMDGPU_TARGETS"
-OLLAMA_NEW_RUNNERS=${OLLAMA_NEW_RUNNERS:-""}
-if [ -n "${OLLAMA_NEW_RUNNERS}" ]; then
-    DOCKERFILE_DIR="./llama/"
-else
-    DOCKERFILE_DIR="./"
-fi
 
 echo "Building Ollama"
 echo "VERSION=$VERSION"