Simplify depth test management and document it in ESP_LINES RenderLayer

src/main/java/net/wurstclient/WurstRenderLayers.java

@@ -56,6 +56,13 @@ public enum WurstRenderLayers
 	/**
 	 * Similar to {@link RenderLayer#getLines()}, but with line width 2 and no
 	 * depth test.
+	 *
+	 * @apiNote As of 25w07a (1.21.5), turning off depth test still has to be
+	 *          done manually, by calling
+	 *          {@code RenderSystem.depthFunc(GlConst.GL_ALWAYS);} before
+	 *          drawing the ESP lines. Without this code, ESP lines will be
+	 *          drawn with depth test set to LEQUALS (only visible if not
+	 *          obstructed).
 	 */
 	public static final RenderLayer.MultiPhase ESP_LINES =
 		RenderLayer.of("wurst:esp_lines", VertexFormats.LINES,

src/main/java/net/wurstclient/hacks/MobEspHack.java

@@ -128,8 +128,6 @@ public void onCameraTransformViewBobbing(
 	@Override
 	public void onRender(MatrixStack matrixStack, float partialTicks)
 	{
-		// GL settings
-		RenderSystem.enableDepthTest();
 		RenderSystem.depthFunc(GlConst.GL_ALWAYS);
 
 		VertexConsumerProvider.Immediate vcp =
@@ -149,9 +147,6 @@ public void onRender(MatrixStack matrixStack, float partialTicks)
 		matrixStack.pop();
 
 		vcp.draw(WurstRenderLayers.ESP_LINES);
-
-		// GL resets
-		RenderSystem.disableDepthTest();
 	}
 
 	private void renderBoxes(MatrixStack matrixStack,