Merge branch 'httpd' of https://github.com/sle118/squeezelite-esp32.git into httpd

.gitmodules

@@ -2,9 +2,6 @@
 	path = components/telnet/libtelnet
 	url = https://github.com/seanmiddleditch/libtelnet
 	branch = develop
-[submodule "esp-dsp"]
-	path = esp-dsp
-	url = https://github.com/philippe44/esp-dsp
 [submodule "components/esp-dsp"]
 	path = components/esp-dsp
 	url = https://github.com/philippe44/esp-dsp.git