docs: Link Navigation Path API Pipelines (#2976)

* docs: link navigation Safe Stable Diffusion

Link navigation API pipelines text2img and using diffusers Conditional Image Generation.

* docs: link navigation Versatile Diffusion

Removing exceeding path Stable Diffusion Overview.

* docs: Python extension Spectrogram Diffusion

Link navigation Spectrogram Diffusion Pipeline source code

* docs: Link navigation AltDiffusion Pipelines

Stable Diffusion Overview and Using Diffusers path.

docs/source/en/api/pipelines/alt_diffusion.mdx

@@ -28,11 +28,11 @@ The abstract of the paper is the following:
 
 ## Tips
 
-- AltDiffusion is conceptually exactly the same as [Stable Diffusion](./api/pipelines/stable_diffusion/overview).
+- AltDiffusion is conceptually exactly the same as [Stable Diffusion](./stable_diffusion/overview).
 
 - *Run AltDiffusion*
 
-AltDiffusion can be tested very easily with the [`AltDiffusionPipeline`], [`AltDiffusionImg2ImgPipeline`] and the `"BAAI/AltDiffusion-m9"` checkpoint exactly in the same way it is shown in the [Conditional Image Generation Guide](./using-diffusers/conditional_image_generation) and the [Image-to-Image Generation Guide](./using-diffusers/img2img).
+AltDiffusion can be tested very easily with the [`AltDiffusionPipeline`], [`AltDiffusionImg2ImgPipeline`] and the `"BAAI/AltDiffusion-m9"` checkpoint exactly in the same way it is shown in the [Conditional Image Generation Guide](../../using-diffusers/conditional_image_generation) and the [Image-to-Image Generation Guide](../../using-diffusers/img2img).
 
 - *How to load and use different schedulers.*
 

docs/source/en/api/pipelines/spectrogram_diffusion.mdx

@@ -30,7 +30,7 @@ As depicted above the model takes as input a MIDI file and tokenizes it into a s
 
 | Pipeline | Tasks | Colab
 |---|---|:---:|
-| [pipeline_spectrogram_diffusion.py](https://github.com/huggingface/diffusers/blob/main/src/diffusers/pipelines/spectrogram_diffusion/pipeline_spectrogram_diffusion) | *Unconditional Audio Generation* | - |
+| [pipeline_spectrogram_diffusion.py](https://github.com/huggingface/diffusers/blob/main/src/diffusers/pipelines/spectrogram_diffusion/pipeline_spectrogram_diffusion.py) | *Unconditional Audio Generation* | - |
 
 
 ## Example usage

docs/source/en/api/pipelines/stable_diffusion_safe.mdx

@@ -28,11 +28,11 @@ The abstract of the paper is the following:
 
 ## Tips
 
-- Safe Stable Diffusion may also be used with weights of [Stable Diffusion](./api/pipelines/stable_diffusion/text2img).
+- Safe Stable Diffusion may also be used with weights of [Stable Diffusion](./stable_diffusion/text2img).
 
 ### Run Safe Stable Diffusion
 
-Safe Stable Diffusion can be tested very easily with the [`StableDiffusionPipelineSafe`], and the `"AIML-TUDA/stable-diffusion-safe"` checkpoint exactly in the same way it is shown in the [Conditional Image Generation Guide](./using-diffusers/conditional_image_generation).
+Safe Stable Diffusion can be tested very easily with the [`StableDiffusionPipelineSafe`], and the `"AIML-TUDA/stable-diffusion-safe"` checkpoint exactly in the same way it is shown in the [Conditional Image Generation Guide](../../using-diffusers/conditional_image_generation).
 
 ### Interacting with the Safety Concept
 

docs/source/en/api/pipelines/versatile_diffusion.mdx

@@ -20,7 +20,7 @@ The abstract of the paper is the following:
 
 ## Tips
 
-- VersatileDiffusion is conceptually very similar as [Stable Diffusion](./api/pipelines/stable_diffusion/overview),  but instead of providing just a image data stream conditioned on text, VersatileDiffusion provides both a image and text data stream and can be conditioned on both text and image.
+- VersatileDiffusion is conceptually very similar as [Stable Diffusion](./stable_diffusion/overview),  but instead of providing just a image data stream conditioned on text, VersatileDiffusion provides both a image and text data stream and can be conditioned on both text and image.
 
 ### *Run VersatileDiffusion*