Remove min texture size support

src/gpu/gl/GrGLCaps.cpp

Index: src/gpu/gl/GrGLCaps.cpp
diff --git a/src/gpu/gl/GrGLCaps.cpp b/src/gpu/gl/GrGLCaps.cpp
index ec945ea3e9af96884cb9bce2dc6c715721613069..9879846ef20a165eda917f6fdfad2fcad63e3deb 100644
--- a/src/gpu/gl/GrGLCaps.cpp
+++ b/src/gpu/gl/GrGLCaps.cpp
@@ -424,11 +424,6 @@ void GrGLCaps::init(const GrContextOptions& contextOptions,
     // attachment, hence this min:
     fMaxRenderTargetSize = SkTMin(fMaxTextureSize, fMaxRenderTargetSize);
 
-    // This GPU seems to have problems when tiling small textures
-    if (kPowerVR54x_GrGLRenderer == ctxInfo.renderer()) {
-        fMinTextureSize = 16;
-    }
-
     fGpuTracingSupport = ctxInfo.hasExtension("GL_EXT_debug_marker");
 
     // Disable scratch texture reuse on Mali and Adreno devices