Remove unneeded Windows logic

Signed-off-by: Morris Jobke <hey@morrisjobke.de>

Author: MorrisJobke

lib/private/LargeFileHelper.php

@@ -137,23 +137,6 @@ public function getFileSizeViaCurl($fileName) {
 		return null;
 	}
 
-	/**
-	* @brief Tries to get the size of a file via the Windows DOM extension.
-	*
-	* @param string $filename Path to the file.
-	*
-	* @return null|int|float Number of bytes as number (float or int) or
-	*                        null on failure.
-	*/
-	public function getFileSizeViaCOM($filename) {
-		if (class_exists('COM')) {
-			$fsObj = new \COM("Scripting.FileSystemObject");
-			$file = $fsObj->GetFile($filename);
-			return 0 + $file->Size;
-		}
-		return null;
-	}
-
 	/**
 	* @brief Tries to get the size of a file via an exec() call.
 	*

tests/lib/LargeFileHelperGetFileSizeTest.php

@@ -54,21 +54,6 @@ public function testGetFileSizeViaCurl($filename, $fileSize) {
 		);
 	}
 
-	/**
-	 * @dataProvider dataFileNameProvider
-	 */
-	public function testGetFileSizeViaCOM($filename, $fileSize) {
-		if (!extension_loaded('COM')) {
-			$this->markTestSkipped(
-				'The PHP Windows COM extension is required for this test.'
-			);
-		}
-		$this->assertSame(
-			$fileSize,
-			$this->helper->getFileSizeViaCOM($filename)
-		);
-	}
-
 	/**
 	 * @dataProvider dataFileNameProvider
 	 */