obs-filters: Remove unnecessary files

plugins/obs-filters/rnnoise/CMakeLists.txt

-cmake_minimum_required(VERSION 3.1)
-project(rnnoise)
-
-option(RNNOISE_COMPILE_OPUS ON)
-
-if(RNNOISE_COMPILE_OPUS)
-	add_definitions(-DCOMPILE_OPUS)
-endif()
-
-# Ignore CRT warnings
-add_definitions(-D_CRT_SECURE_NO_WARNINGS)
-
-# Get source files
-file(GLOB SOURCES "src/*.c" "src/*.h" "include/*.h")
-
-# Build rnnoise
-add_definitions(-DRNNOISE_BUILD)
-
-# Compile the library
-add_library(rnnoise ${SOURCES})
-
-# Build DLL if needed
-if(BUILD_SHARED_LIBS)
-  if(WIN32)
-    target_compile_definitions(rnnoise PRIVATE DLL_EXPORT)
-  else()
-    include(CheckCCompilerFlag)
-    check_c_compiler_flag(-fvisibility=hidden COMPILER_HAS_HIDDEN_VISIBILITY)
-    if(COMPILER_HAS_HIDDEN_VISIBILITY)
-      set_target_properties(rnnoise PROPERTIES C_VISIBILITY_PRESET hidden)
-    endif()
-  endif()
-endif()
-
-# Include dirs
-target_include_directories(rnnoise PUBLIC
-        $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
-        $<INSTALL_INTERFACE:include>
-        PRIVATE src)
\ No newline at end of file

plugins/obs-filters/rnnoise/autogen.sh

-#!/bin/sh
-# Run this to set up the build system: configure, makefiles, etc.
-set -e
-
-srcdir=`dirname $0`
-test -n "$srcdir" && cd "$srcdir"
-
-echo "Updating build configuration files for rnnoise, please wait...."
-
-autoreconf -isf

plugins/obs-filters/rnnoise/rnnoise-uninstalled.pc.in

-# rnnoise uninstalled pkg-config file
-
-prefix=
-exec_prefix=
-libdir=${pcfiledir}/.libs
-includedir=${pcfiledir}/@top_srcdir@/include
-
-Name: rnnoise uninstalled
-Description: RNN-based noise suppression (not installed)
-Version: @PACKAGE_VERSION@
-Conflicts:
-Libs: ${libdir}/librnnoise.la @lrintf_lib@
-Cflags: -I${includedir}

plugins/obs-filters/rnnoise/rnnoise.pc.in

-# rnnoise installed pkg-config file
-
-prefix=@prefix@
-exec_prefix=@exec_prefix@
-libdir=@libdir@
-includedir=@includedir@
-
-Name: rnnoise
-Description: RNN-based noise suppression
-Version: @PACKAGE_VERSION@
-Conflicts:
-Libs: -L${libdir} -lrnnoise
-Libs.private: @lrintf_lib@
-Cflags: -I${includedir}/