Removed code which required opencv-build-*

Author: Simon Hofmann

lib/cv.js

@@ -1,61 +1,17 @@
 const path = require('path');
-const opencvBuild = require(`@nut-tree/opencv-build-${process.platform}`)
 const { resolvePath } = require('./commons');
 
 const requirePath = path.join(__dirname, process.env.BINDINGS_DEBUG ? '../build/Debug/opencv4nodejs' : '../build/Release/opencv4nodejs')
 
 const logDebug = process.env.OPENCV4NODES_DEBUG_REQUIRE ? require('npmlog').info : () => {}
 
-function tryGetOpencvBinDir() {
-  if (process.env.OPENCV_BIN_DIR) {
-    logDebug('tryGetOpencvBinDir', 'OPENCV_BIN_DIR environment variable is set')
-    return process.env.OPENCV_BIN_DIR
-  }
-  // if the auto build is not disabled via environment do not even attempt
-  // to read package.json
-  if (!opencvBuild.isAutoBuildDisabled()) {
-    logDebug('tryGetOpencvBinDir', 'auto build has not been disabled via environment variable, using opencv bin dir of opencv-build')
-    return opencvBuild.opencvBinDir
-  }
-
-  logDebug('tryGetOpencvBinDir', 'auto build has not been explicitly disabled via environment variable, attempting to read envs from package.json...')
-  const envs = opencvBuild.readEnvsFromPackageJson()
-
-  if (!envs.disableAutoBuild) {
-    logDebug('tryGetOpencvBinDir', 'auto build has not been disabled via package.json, using opencv bin dir of opencv-build')
-    return opencvBuild.opencvBinDir
-  }
-
-  if (envs.opencvBinDir) {
-    logDebug('tryGetOpencvBinDir', 'found opencv binary environment variable in package.json')
-    return envs.opencvBinDir
-  }
-  logDebug('tryGetOpencvBinDir', 'failed to find opencv binary environment variable in package.json')
-  return null
-}
-
 let cv = null
 try {
   logDebug('require', 'require path is ' + requirePath)
   cv = require(requirePath);
 } catch (err) {
   logDebug('require', 'failed to require cv with exception: ' + err.toString())
-  logDebug('require', 'attempting to add opencv binaries to path')
-
-  if (!process.env.path) {
-    logDebug('require', 'there is no path environment variable, skipping...')
-    throw err
-  }
-
-  const opencvBinDir = tryGetOpencvBinDir()
-  logDebug('require', 'adding opencv binary dir to path: ' + opencvBinDir)
-
-  // ensure binaries are added to path on windows
-  if (!process.env.path.includes(opencvBinDir)) {
-    process.env.path = `${process.env.path};${opencvBinDir};`
-  }
-  logDebug('require', 'process.env.path: ' + process.env.path)
-  cv = require(requirePath);
+  throw err
 }
 
 // resolve haarcascade files